Initially Related II

Help find the cure

Rick's WordPlay

Initially Related II

And now that you know who you're related to, see what you're related to...

AA: Aberdeen Angus; abietic acid; ablative absolute; abscisic acid; abscissic acid; absolute alcohol; according as; acetic acid; acetic anhydride; acetoacetic acid; ack ack; acquired antibody; acrylic acid; activation analysis; acute accent; Adam's apple; adjacent angle; affirmative action; Afro American; Afro Asiatic; aggravated assault; all American; all around; alternate angle; amino acid; aminobenzoic acid; amyl acetate; amyl alcohol; Anglo American; angular acceleration; anthropoid ape; anti art; army ant; arsenic acid; ascorbic acid; aspartic acid; at all; Atomic Age; aurora australis; Austro Asiatic; aye aye
AB: A bomb; able bodied; absentee ballot; acetone body; adzuki bean; aerosol bomb; air bag; air base; air battery; air bladder; airman basic; Ali Baba; alla breve; altar boy; alternative box; American Beauty; analytical balance; aneroid barometer; angle bracket; angostura bark; ante bellum; arc boutant; argy bargy; arriere ban; asparagus beetle; assassin bug; atom bomb; atomic bomb; auction bridge; aurora borealis; Australian ballot
AC: A C; a cappella; absolute ceiling; Abyssinian cat; acid cell; activated carbon; adenylate cyclase; adrenal cortex; agony column; air chamber; air command; air condition; air conditioner; air conditioning; air cool; air corridor; air cover; air cushion; air cushioned; aircraft carrier; alarm clock; Alaska cedar; alimentary canal; all clear; alley cat; Alpha Centauri; Alpha Crucis; alsike clover; alternating current; ambulance chaser; amen corner; American cheese; amicus curiae; ammonium carbonate; ammonium chloride; analog computer; Ancient Chinese; angel cake; Anglican Church; Anglican Communion; Anglo Catholic; Angora cat; animal crackers; animated cartoon; ansate cross; ant cow; Antarctic Circle; aperture card; Apostles' Creed; Arabian camel; Arctic Circle; area code; Area Code; armor clad; artsy craftsy; ash can; Asiatic cholera; astable circuit; atomic clock; attache case; au courant; Australian crawl; autumn crocus
AD: a deux; accretion disk; acey deucy; Addison's disease; adenosine diphosphate; advanced degree; Agnus Dei; air division; air door; air dry; al dente; alpha decay; Alzheimer's disease; amebic dysentery; American dream; amoebic dysentery; analog data; angel dust; aniline dye; anno Domini; Arbor Day; Armistice Day; art deco; Ascension Day; auctioneering device; axis deer; azine dye; azo dye
AE: abstract expressionism; account executive; air embolism; air express; alkaline earth; alter ego; ambiguity error; American eagle; American elk; American English; annular eclipse; Argus eyed; at ease; atomic energy; azimuthal equidistant
AF: a fortiori; A frame; about face; academic freedom; accessory fruit; acid fast; acre foot; acrylic fiber; aggregate fruit; air force; air freight; all fired; all fours; alluvial fan; anemone fish; Anglo French; apart from; Apostolic Father; April fool; aqua fortis; arctic fox; armed forces; art film; as for; aside from; asparagus fern; association football; athlete's foot; au fait; audio frequency
AG: a gogo; Abelian group; adjutant general; adrenal gland; advance guard; ago go; air gas; air gun; analytic geometry; AND gate; Angora goat; antimony glance; apple green; attorney general; au gratin; avant garde; aviator glasses
AH: Achilles' heel; ad hoc; ad hominem; Aeolian harp; Afghan hound; after hours; air hole; air hunger; all hail; all heal; alpha helix; ammonium hydroxide; ampere hour; ancient history; animal heat; animal husbandry; apartment house; aqueous humor; artificial horizon; at home
AI: ab initio; accident insurance; acquired immunity; acre inch; active immunity; ad infinitum; ad interim; additive identity; additive inverse; all important; all inclusive; American Indian; American ivy; angle iron; Anglo Indian; Anglo Irish; anti inflammatory; artificial insemination; artificial intelligence; as if
AJ: Achilles jerk; arc jet; au jus
AK: animal kingdom; attention key
AL: a la; A line; accommodation ladder; achromatic lens; aclinic line; ad lib; ad lib; ad libitum; aerial ladder; African lily; agate line; agonic line; air lane; air layering; air letter; air lock; algebraic language; algebraic logic; algorithmic language; annular ligament; Annunciation lily; ant lion; antenna loop; aphid lion; Appleton layer; Aqua Lung; arc lamp; arc light; Aristotelian logic; artificial language; assembly language; assembly line; atamasco lily; au lait; audio lingual; avalanche lily; Avogadro's law
AM: absent minded; absolute magnitude; absolute music; acidophilus milk; adder's mouth; adenosine monophosphate; advance man; African mahogany; African marigold; after market; Ahura Mazda; aide memoire; air mail; air mass; air mattress; Air Medal; air mile; Alaskan malamute; alkali metal; Alma Mater; alma mater; amplitude modulation; angular momentum; animal magnetism; annus mirabilis; anode mud; ante meridiem; ante mortem; antiballistic missile; antimissile missile; ape man; apothecaries' measure; apparent magnitude; arithmetic mean; Atka mackerel; atomic mass; Ave Maria; aviation medicine
AN: abducens nerve; absorption nebula; accessory nerve; acoustic nerve; ad nauseam; Adam's needle; aleph null; algebraic number; all night; ammonium nitrate; amyl nitrite; Anglo Norman; anorexia nervosa; Arabic numeral; art nouveau; atomic number; au naturel; auditory nerve; Avogadro number
AO: A OK; A Okay; A one; ab ovo; afoul of; all out; all out; all over; all over; all' ottava; aluminum oxide; animated oat; Annie Oakley; apropos of; as of; astride of; at once
AP: a posteriori; a priori; abnormal psychology; absolute pitch; accident prone; accommodation paper; acid precipitation; action painting; action potential; Adelie penguin; adjective pronoun; agent provocateur; air piracy; air plant; air pocket; air police; air pump; all purpose; alligator pear; alpha particle; alpha privative; aluminum paste; American plan; amour propre; amusement park; angina pectoris; angle plate; apple polish; argus pheasant; arithmetic progression; armor plate; arriere pensee; artillery plant; assistant professor; associate professor; atmospheric pressure; atomic pile; au pair; automatic pilot
AR: acaroid resin; access road; acid rain; acid rock; acrylate resin; acrylic resin; actinic ray; ad rem; adaptive radiation; air raid; air rifle; alarm reaction; all right; all right; all round; all round; alpha ray; alpha rhythm; also ran; altar rail; alto relievo; alto rilievo; ancien regime; Angora rabbit; annual ring; aqua regia; area rug; artificial respiration; aspect ratio; au revoir
AS: able seaman; ABO system; abominable snowman; absolute scale; absorption spectrum; acetylene series; acorn squash; Adar Sheni; adjutant stork; advanced standing; Advent Sunday; after shave; air sac; air shed; air sock; air speed; air splint; air spray; air spring; all star; Allegheny spurge; alternative school; altitude sickness; aluminum sulfate; amazon stone; American Spanish; ammonium sulfate; anabolic steroid; anarcho syndicalism; angel shark; Anglo Saxon; animal spirits; animal starch; anti Semite; approved school; apres ski; apron string; archaic smile; Archimedean screw; Archimedes' screw; archival standards; ardent spirits; area search; arena stage; armillary sphere; art song; athletic supporter; Atlantic salmon; atom smasher; AT; a tempo; absolute temperature; absurd theater; access time; according to; Achilles tendon; acid test; acorn tube; active transport; adder's tongue; adenosine triphosphate; adhesive tape; adipose tissue; air taxi; all time; all told; ampere turn; angelica tree; Appalachian tea; aptitude test; arena theater; arm twisting; arsenic trioxide; as though; as to; assembly time; assertiveness training; atomic theory; Australian terrier; automated teller; aversion therapy
AU: astronomical unit
AV: absolute value; ad valorem; ad verbum; African violet; air vesicle; Allegheny vine; angular velocity; aqua vitae; audio visual; Authorized Version; auxiliary verb
AW: alpha wave; ammonia water; apothecaries' weight; arm wrestling; arrow wood; arrow worm; artesian well; Ash Wednesday; atomic weight; auf Wiedersehen; avoirdupois weight
AY: Angry Young
AZ: absolute zero
BA: Band Aid; bank acceptance; bank account; bank annuities; banker's acceptance; banzai attack; Barbary ape; barbituric acid; battle ax; battle axe; beaux arts; beet armyworm; benzoic acid; beta adrenergic; bile acid; Binet age; bio assay; bitter almond; bitter apple; black alder; black art; blade apple; blind alley; blood agar; bog asphodel; bone ash; boric acid; born again; bowling alley; Bragg angle; broad arrow; bromic acid; bronchial asthma; Bronze Age; brown alga; business administration; butanoic acid; butyl alcohol; butyric acid; BB; babies' breath; babies' breath; baby blue; baby bond; baby's breath; bachelor's button; bad blood; Bailey bridge; balance beam; ball bearing; bare bones; bark beetle; barracks bag; barrage balloon; bateau bridge; beach buggy; bean ball; bean blight; bearer bond; Beau Brummell; bee balm; bee block; beef bourguignon; bell bottom; bell bottoms; bell buoy; benjamin bush; beta blocker; Bible Belt; Biddy Basketball; big bang; Big Bertha; big brother; Big Brotherism; black bass; black bear; black belt; black bile; black book; black box; black bryony; blindman's buff; blister beetle; blood bank; blood bath; blood brother; blue baby; blue black; blue blood; blue book; bock beer; body bag; body building; bomb bay; bombardier beetle; boo boo; Boston bag; Boston bull; bottom break; bouncing Bet; brake band; breast beating; breeches buoy; Bristol board; broad bean; brown bagging; brown bear; brown Betty; brown bread; buffalo berry; buffalo bug; bulletin board; bunk bed; Bunsen burner; burning bush; burying beetle; bus bar; bus boy; bush baby; bush bean; butcher's broom; butter bean; butterfly bush; buzz bomb; by bidder; by blow; bye bye
BC: B cell; Bactrian camel; bald cypress; ball carrier; ball cock; ball control; Bamboo Curtain; bar chart; Barbados cherry; barrel chair; basket case; bass clef; Bath chair; battle cruiser; battle cry; bean caper; bean curd; Bedford cord; bel canto; Bessemer converter; beta cell; biliary cirrhosis; billy club; biological clock; bird cherry; bird colonel; birth canal; birth certificate; birth control; bishop's cap; bituminous coal; black cohosh; black comedy; black crappie; blank cartridge; blank check; bleu cheese; blister copper; blood clot; blood count; blue cheese; blue chip; blue cohosh; blue collar; boa constrictor; body cavity; body corporate; body count; bok choy; bone charcoal; bone china; bone conduction; booster cable; boot camp; boron carbide; borscht circuit; bottle club; bouillon cube; bow compass; Bowman's capsule; box calf; box coat; brain case; brain child; brain coral; brass collar; Broad Church; Bronx cheer; brown coal; Brussels carpet; bubble chamber; bur cucumber; bush clover; business card
BD: baker's dozen; Bang's disease; bank discount; barn dance; bass drum; Bastille Day; belly dance; Ben Davis; Ben Day; Bernoulli distribution; Big Dipper; bile duct; billet doux; binary digit; binomial distribution; bird dog; bird dog; Black Death; black diamond; blind date; blow dry; blue devils; Bombay duck; bone dry; Boxing Day; brain death; brain drain; brain drain; brake drum; breech delivery; Bright's disease; Brill's disease; broken down; brush discharge; button down
BE: bald eagle; Base Exchange; beam ends; beast epic; beaux esprits; bee eater; bel esprit; belle epoque; Bernoulli effect; beta endorphin; binding energy; bird's eye; bitter end; Black English; black eye; blank endorsement; blear eyed; blear eyed; bleary eyed; body English; borough English; box elder; British English; bug eyed; bull's eye; bull's eye; bulldog edition; by election; bye election
BF: back formation; bald faced; balsam fir; battle fatigue; beach flea; bee fly; beefsteak fungus; belly flop; binary fission; binding force; bird's foot; black flag; black fly; blackwater fever; blanc fixe; blast furnace; blood fluke; blue flag; blue fox; board foot; bold faced; bona fide; Boston fern; bottle feed; bottom fauna; bound form; bracket fungus; brain fever; brake fluid; breakbone fever; breast feed; brown fat; brush fire; buck fever; buffalo fish; bull fiddle; butterfly fish
BG: B girl; baby grand; ball game; bar graph; barnacle goose; Bartholin's gland; battleship gray; BB gun; beach grass; bear grass; beau geste; beaux gestes; bee gum; Bermuda grass; beta globulin; bevel gear; Bhagavad Gita; big game; billy goat; black gold; black grouse; black gum; blasting gelatin; blind gut; blood group; blue grouse; blue gum; board game; Bofors gun; borosilicate glass; bottle gentian; bottle gourd; bottle green; bottled gas; bouquet garni; Bowman's glands; boxing glove; breeding ground; Bren gun; brigadier general; broad gauge; broad gauge; brome grass; bubble gum; buffalo grass; burning glass; burp gun
BH: bank holiday; base hit; basket hilt; bass horn; basset horn; basset hound; bear hug; Belgian hare; belt highway; Berenice's Hair; big hearted; big house; Black Hand; black haw; black hearted; black hole; black horehound; black humor; bleeding heart; blind hinge; blood heat; blue heron; boarding house; boat hook; booby hatch; bounty hunter; bowstring hemp; brake horsepower; brass hat; Brinell hardness; broken home; bush honeysuckle; busman's holiday; butt hinge
BI: Bahasa Indonesia; barber's itch; bearded iris; beau ideal; blending inheritance; Boston ivy; branding iron; break in; built in
BJ: bell jar; blue jay; blue jeans; book jacket; broad jump; bush jacket; butt joint
BK: bilge keel; black knot; boning knife; bowie knife; box kite; brass knuckles; butcher knife
BL: bag lady; balk line; ball lightning; bandy legged; base level; base line; bay leaf; bay lynx; beggar's lice; Bell's Law; belladonna lily; belles lettres; belly land; belly laugh; belt line; Bengal light; Bermuda lily; Bernoulli's law; Bibb lettuce; big league; big league; black lead; black letter; black light; black lung; block letter; blue law; bobbin lace; body language; body louse; book learning; book lung; Boston lettuce; bottom line; bottom line; boundary layer; box lunch; Boyle's law; Bragg's law; broad leafed; broad leaved; brook lamprey; Brussels lace; bush league; bush league; by lane; by line
BM: back matter; back mutation; bain marie; ballistic missile; bar mitzvah; bas mitzvah; bas mizvah; basal metabolism; basement membrane; bat mitzvah; bat mizvah; Batesian mimicry; beau monde; beaux mondes; bed molding; bedside manner; bee moth; behavior modification; bell metal; bench mark; Bermuda mulberry; best man; black magic; Black Maria; black market; black market; black mass; black measles; black medic; black medick; black money; Black Muslim; black mustard; blood money; bloody mary; Bloody Mary; blue mold; board measure; bon mot; bone meal; Bordeaux mixture; Boskop man; bread mold; britannia metal; broad minded; broom moss; Brownian motion; Brownian movement; bubble memory; bug moss; Bull Moose; bur marigold; buyers' market
: BN; bank note; baryon number; bete noire; betel nut; big name; binomial nomenclature; Black Nationalist; black nightshade; bladder nut; blue note; bossa nova; brand name; brand new; Brazil nut; Brinell number; by name
BO: Baltimore oriole; banana oil; barn owl; barred owl; barrel organ; basic oxide; because of; Bermuda onion; beta oxidation; better off; binary operation; black oak; box office; brush off; bur oak
BP: baking powder; ball park; balsam pear; balsam poplar; bank paper; base pair; basic process; basso profundo; beach pea; beach plum; beautiful people; beauty parlor; bee plant; beetroot purple; behavioral psychophysics; belaying pin; bell pepper; Bell's palsy; benzoyl peroxide; Bessemer process; beta particle; betel palm; biotic potential; bird pepper; birth pang; bitter principle; Black Panther; black pepper; Black Plague; black poplar; Black Power; bleaching powder; blind pig; block plane; block printing; blood plasma; blood platelet; blood poisoning; blood pressure; blood pudding; blotting paper; blue pencil; blue peter; blue plate; blue point; bobby pin; bodily part; body politic; boiling point; bond paper; booby prize; bordetella pertussis; bow pen; box pleat; brain picking; brake pad; breaking point; breech presentation; bridle path; bristlecone pine; brown patch; Brownie point; bubonic plague; buck passer; bush pig; bush pilot; butler's pantry; butterfly pea; by pass; by path; by play; by product
BR: bank rate; banquet room; barrel roll; barrier reef; bas relief; base runner; basso relievo; battering ram; battering ram; battle royal; bay rum; bearing rein; Becquerel ray; beginning rhyme; benzene ring; Bergmann's rule; Bermuda rig; beta ray; beta receptor; beta rhythm; bitter rot; black raspberry; Black Rod; black rot; blackbody radiation; blister rust; blockade runner; blood red; blood relation; blue ribbon; blues rock; board rule; bog rosemary; boiler room; book review; bottom round; bowman's root; braking rocket; breeder reactor; brick red; brown rat; brown rice; brown rot; buffalo robe; bur reed; butyl rubber
BS: baby sit; baby sitter; back seat; back street; baking soda; balance sheet; ballad stanza; balloon sail; Balto Slavic; banana seat; banana split; band saw; band shell; bar sinister; barium sulfate; barley sugar; barn swallow; barren strawberry; basket star; basking shark; bath salts; bathing suit; Baume scale; bean sprout; bearnaise sauce; Beaufort scale; beauty salon; beauty shop; beauty spot; bechamel sauce; bed sit; beef stroganoff; behavioral science; bench show; bend sinister; benzene series; Bermuda shorts; Bertillon system; best seller; big shot; bile salt; binary star; birthday suit; black sheep; Black Shirt; black spot; black spruce; black studies; blanket stitch; blanket stitch; blazing star; Blessed Sacrament; blind side; blind spot; blind staggers; block signal; block system; blood sausage; blood serum; blood stream; blue shift; blue spruce; blue streak; boarding school; bob skate; bobby socks; bobby sox; body shirt; body shop; body snatcher; body stocking; body suit; box score; box seat; box set; box spring; box stall; boxer shorts; Boy Scout; brain scanner; brake shoe; breast stroke; breathing space; breathing spell; brine shrimp; Brittany spaniel; brittle star; Brix scale; broad seal; broad spectrum; Bronze Star; Brown Shirt; brown study; brown sugar; Brown Swiss; Brunswick stew; Brussels sprout; bucket seat; bucket shop; buddy system; bull session; bull snake; bumper sticker; burnt sienna; busy signal; butt shaft; butterfly stroke; button snakeroot; buttonhole stitch; buzz saw; buzz session
BT: baby tears; baby's tears; back talk; balloon tire; bangalore torpedo; basic training; bastard toadflax; bean tree; beard tongue; Bedlington terrier; bee tree; beggar ticks; belt tightening; Bering time; Bernoulli trial; big ticket; big time; big toe; big top; big tree; binomial theorem; birth trauma; black tea; black thorn; black tie; black tip; blind tiger; blood test; blood type; bo tree; boat train; Bohr theory; bola tie; bolo tie; bon ton; boob tube; booby trap; boot tree; Boston terrier; bottle tree; bow tie; box turtle; brain trust; brains trust; brass tacks; bronchial tube; brook trout; brown thrasher; brown trout; bull terrier; bull thistle; bull tongue
BU: back up; bang up; bringing up; build up; built up
BV: ball valve; bass viol; bearded vulture; bicuspid valve; black vomit; black vulture; blank verse; Blessed Virgin; blood vessel; blue vitriol; bon vivant; bon voyage; butterfly valve
BW: balance wheel; barbed wire; basket weave; bastard wing; bay window; beach wormwood; bed wetting; bench warrant; beta wave; big wheel; bilge water; biological warfare; bird watcher; black walnut; black widow; bladder worm; bladder wrack; blended whiskey; blue whale; body wall; body work; boll weevil; boogie woogie; bow window; bow wow; brain wave; branch water; bridal wreath; bridle wise; broken wind; buffing wheel; butt weld; butt weld; butterfly weed; buzz word
BY: back yard; barium yellow; brewer's yeast
CA: capillary attraction; capital account; capital assets; capric acid; caproic acid; caprylic acid; carbamic acid; carbolic acid; carbonic acid; carboxylic acid; carpenter ant; cellulose acetate; central angle; cerotic acid; cetyl alcohol; charge account; chartered accountant; checking account; China aster; Chinese anise; chloric acid; cholic acid; chromatic aberration; chrome alum; chromic acid; chronological age; citizen's arrest; citric acid; class action; classified advertisement; co anchor; co author; coast artillery; coenzyme A; cold agglutinin; complementary angles; compressed air; con amore; congenital anomaly; content analysis; conus arteriosus; Cooley's anemia; coon's age; Corona Australis; coronary artery; corpus albicans; cost accountant; crab apple; critical angle; crotonic acid; cultural anthropology; cure all; current assets; curtal ax; custard apple; cutaneous anaphylaxis; cyanic acid; cyanuric acid; cyclamic acid; cyclic AMP
CB: cabbage butterfly; cabin boy; cacao bean; cacao butter; Calabar bean; calico bass; calico bush; Canada balsam; Canadian bacon; cannon bone; Canterbury bells; cantilever bridge; capillary bed; carbon bisulfide; carbon black; carotid body; carpenter bee; carpet beetle; carrick bend; carrick bitt; carte blanche; cartilage bone; cartridge belt; carvel built; cascara buckthorn; castor bean; casus belli; center bit; channel bass; channel black; chastity belt; chemical bond; cherry birch; chestnut blight; chicken breast; chinch bug; chipped beef; chopping block; Christmas berry; ciliary body; cinnamon bear; circuit breaker; citizens band; click beetle; clinker built; coaster brake; cobalt blue; cocoa butter; coffee break; coffin bone; cold blooded; collective bargaining; colon bacillus; Colonel Blimp; color bar; Coma Berenices; comic book; comma bacillus; commercial bank; commonplace book; con brio; congress boot; contract bridge; coordinate bond; copy boy; coral bells; cordon bleu; corn borer; corn bread; Corona Borealis; correspondent banking; cotton batting; covalent bond; covered bridge; cracker barrel; cranberry bush; crazy bone; credit bureau; creosote bush; crib biting; crocodile bird; Croton bug; crow blackbird; crystal ball; cue ball; curve ball; custom built
CC: C clef; cabin class; cabin cruiser; cable car; calcium carbide; calcium carbonate; calcium chloride; calcium cyanamide; calling card; Calvary cross; candid camera; Canton crepe; Cape cowslip; car coat; carbon copy; carbon cycle; carbonyl chloride; card carrying; card catalog; carrion crow; carrying capacity; carrying charge; Cartesian coordinate; cartridge clip; cash crop; cashier's check; cat's cradle; catalytic converter; catalytic cracker; Catholic Church; catty cornered; cause celebre; celery cabbage; Celtic cross; cerebral cortex; certified check; cha cha; chair car; chaparral cock; charge conjugation; cheshire cheese; chief cell; Chinese cabbage; Chinese calendar; Chinese Chippendale; chow chow; chow chow; Christmas cactus; circuit court; city council; clam chowder; claret cup; class conscious; clean cut; clear cut; close call; closed captioned; closed chain; closed circuit; closed corporation; cloud chamber; club car; club chair; coaxial cable; cob coal; Cochin China; coffee cake; coffin corner; Cogswell chair; cold chisel; cold cream; cold cuts; collar cell; collegiate church; collision course; color code; combustion chamber; common carrier; common cold; community center; community chest; community college; companion cell; compass card; complementary color; complex conjugate; concavo concave; concavo convex; concentration camp; conference call; confidential communication; conscience clause; consumer credit; continental code; control chart; convexo concave; convexo convex; coordinating conjunction; coordination complex; coordination compound; Coptic Church; core city; cork cambium; corn chip; corn cockle; cornelian cherry; corpus callosum; Corpus Christi; correlation coefficient; cottage cheese; cotton candy; country club; country cousin; cover charge; cover crop; covert cloth; cow college; crab cactus; cradle cap; cream cheese; cream colored; creature comfort; credit card; creeping Charlie; crew cut; criminal conversation; crisis center; cross country; cross cultural; crown canopy; crown colony; crown cover; cuckoo clock; curd cheese; curtain call; curule chair; cyclone cellar
CD: caisson disease; canvas duck; carbon dating; carbon dioxide; carbon disulfide; carpe diem; carriage dog; cash discount; celiac disease; chafing dish; Chagas disease; Charcot's disease; charge d'affaires; charge density; chef d'oeuvre; Chinese date; Christmas disease; circulating decimal; city desk; civil death; civil defense; civil disobedience; cliff dweller; clog dance; closet drama; coach dog; cognitive dissonance; Columbus Day; commedia dell'arte; common denominator; common divisor; congo dye; constant dollars; contact dermatitis; continental divide; continental drift; copy desk; core dump; corona discharge; corpus delicti; cosmic dust; cot death; cough drop; country dance; coup d'etat; coup d'oeil; crash dive; crib death; crystal detector; current density; Cushing's disease
CE: capital expenditure; cat's eye; cation exchange; cauliflower ear; caveat emptor; celestial equator; Cerenkov effect; chemical engineering; Chinese evergreen; Christian era; Christmas Eve; city editor; civil engineer; clear eyed; compound eye; Compton effect; congo eel; constitutive enzyme; continuing education; control experiment; convergent evolution; copy edit; corn earworm; cost effective; creeping eruption; crop eared; cross examine; cross eye; cusk eel
CF: cabin fever; caddice fly; caddice fly; caddis fly; cafe filtre; calcarine fissure; calcium fluoride; camp follower; Canadian French; candle foot; cannon fodder; Canton flannel; cantus firmus; carbon fiber; cardinal flower; carrion flower; cartilaginous fish; cash flow; caudal fin; cease fire; center field; centrifugal force; centripetal force; cerebrospinal fluid; chicken feed; childbed fever; chock full; Christmas fern; circular file; circular function; city father; climbing fumitory; close fisted; cloven foot; cold feet; cold frame; cold front; collective farm; collective fruit; color filter; combat fatigue; combining form; comma fault; common fraction; complement fixation; complex fraction; compound flower; compound fraction; compound fracture; contact flight; contact flying; continued fraction; contour feather; convenience food; conversion factor; Coriolis force; corn fed; corn flakes; cotton flannel; Coulomb field; Coulomb force; crane fly; cross fertilization; cross fertilize; cross file; crow's foot; cutlass fish; cystic fibrosis
CG: call girl; Canada goose; canary grass; cap gun; Cape gooseberry; capital gain; capital goods; Cashmere goat; celestial globe; ceruminous gland; chain gang; cheval glass; chewing gum; chorus girl; chrome green; close grained; closed gentian; coal gas; coarse grained; Coast Guard; coast guard; coincidence gate; color guard; common gender; commutative group; con game; concentration gradient; concert grand; concerto grosso; Concord grape; confidence game; congress gaiter; consul general; consumer goods; corbie gable; corporal's guard; cotton gin; cotton grass; couch grass; country gentleman; cousin german; cover girl; cover glass; Cowper's gland; credibility gap; cross grained; crown glass; crystal gazing; cut glass; cyclic GMP
CH: calcium hydroxide; calcium hypochlorite; call house; camel's hair; canonical hours; cant hook; Capitol Hill; case history; celestial horizon; cerebral hemisphere; chapter house; charley horse; charnel house; chicken hawk; chicken hearted; Chinese houses; chloral hydrate; city hall; claw hammer; claw hatchet; clean handed; clear headed; clearing house; climbing hempweed; close hauled; clove hitch; cloven hoof; cloven hoofed; cluster headache; cocked hat; coffee house; cold hearted; come hither; cool headed; Cornish hen; counting house; cowboy hat; crash helmet; cross hair; cylinder head
CI: call in; camphor ice; capital intensive; cast iron; cast iron; categorical imperative; cave in; cephalic index; Chinese ink; climbing iron; closed interval; cochineal insect; coitus interruptus; compound interest; confidence interval; contact inhibition; corrugated iron; cottage industry; cranial index; cross index; curling iron; cut in
CJ: Canada jay; Cape jasmine; Chief Justice; chief justice; Chinook Jargon; clip joint; comb jelly; Conservative Judaism; coroner's jury; corpus juris; Cracker Jack; crape jasmine; creeping Jennie; creeping Jenny; crevalle jack
CK: carnal knowledge; carpet knight; case knife; church key; cicada killer; clasp knife; coffee klatch; coffee klatsch
CL: cable laid; calcium light; California laurel; call letters; call loan; camera lucida; canon law; capital letter; capital levy; case law; case load; chain letter; chair lift; chaise longue; Charles's law; check list; cherry laurel; chicken livered; child labor; Chinese lantern; chlorinated lime; choir loft; circulating library; civil law; civil liberty; clean limbed; clew line; cold light; color line; combination lock; common law; common logarithm; compound leaf; compound lens; computer language; confidence limit; contact lens; contour line; Corn Law; corn lily; corpus luteum; cos lettuce; cotton leafworm; Coulomb's law; courtly love; crab louse; crash land; credit line; creolized language; criminal law; crinum lily; crown lens; crystalline lens; cuff links; cum laude; Curie law; curtain lecture
CM: calendar month; call market; call money; camp meeting; Canis Major; Canis Minor; carbon monoxide; cardiac massage; cardiac muscle; cave man; cecropia moth; celestial mechanics; cell membrane; cement mixer; cerebrospinal meningitis; certified mail; Ceylon moss; chain mail; chamber music; chance medley; charter member; chattel mortgage; chatter mark; Chemical Mace; cholera morbus; chow mein; ciliary movement; circular measure; circulating medium; city manager; civil marriage; class mark; clay mineral; claymore mine; close minded; close mouthed; clothes moth; club moss; coal measures; codlin moth; codling moth; coffee mill; command module; commission merchant; common measure; common multiple; compos mentis; compound microscope; con man; concrete mixer; concrete music; condensed milk; confidence man; conscience money; contour map; cord moss; corn marigold; corn mint; cottonseed meal; country music; court martial; crape myrtle; creeping myrtle; crepe myrtle; crepe myrtle; Cretan mullein; crisis management; critical mass; Cro Magnon; cross matching; cross multiply; cruise missile; cubic measure; cucumber mosaic; custom made
CN: cafe noir; California nutmeg; call number; cardinal number; caudate nucleus; celestial navigation; cellulose nitrate; cetane number; chambered nautilus; cholera nostras; cloud nine; cochlear nerve; Code Napoleon; coffin nail; cola nut; collective noun; common noun; complex number; composite nerve; composite number; compound number; coquilla nut; Cosa Nostra; cosmic noise; count noun; cranial nerve; crew neck; crow's nest
CO: calcium oxide; camera obscura; camphor oil; carry over; cascarilla oil; cassia oil; cast off; castor oil; ceric oxide; check out; chestnut oak; chord organ; chromic oxide; close out; clove oil; co op; co opt; coal oil; coconut oil; come on; comic opera; comic opera; coming out; commanding officer; commissioned officer; Composite order; conscientious objector; cork oak; coronary occlusion; cottonseed oil; crossing over; croton oil; crude oil; cut offs; cytochrome oxidase
CP: cabbage palm; cabbage palmetto; calcium phosphate; California poppy; cap pistol; capital punishment; capri pants; car pool; carbon paper; carbon process; cardinal point; carrier pigeon; Cartesian plane; Cartesian product; cat's paw; catch phrase; cattle prod; caustic potash; cayenne pepper; celestial pole; center punch; century plant; cerebral palsy; ceteris paribus; chain pump; chamber pot; chaparral pea; cheek pouch; cheese paring; cherry pepper; cherry picker; cherry plum; chicken pox; child's play; chimney pot; Chincoteague pony; Chinese puzzle; chorale prelude; clay pigeon; cleft palate; climbing perch; clinical pathology; clove pink; coconut palm; cohune palm; cold pack; comb plate; command post; commercial paper; commission plan; common pleas; Communist Party; community property; compass plant; complex plane; composite photograph; concert pitch; concrete poetry; conditional probability; conic projection; conjugated protein; Conservative Party; contact print; conversation piece; copper pyrites; cor pulmonale; coral pink; corn pone; corn poppy; corncob pipe; cost plus; cost push; cottage pudding; cotter pin; Coulomb potential; count palatine; county palatine; court plaster; cow parsnip; cow pilot; cow pony; crash pad; cream puff; creatine phosphate; crepe paper; critical point; critical pressure; cross pollinate; cross product; cross purpose; crossword puzzle; crown prince; crown princess; crystal pickup; cup plant; Curie point; curl paper; curry powder; cyanide process
CQ: California quail; closet queen; crazy quilt; cross question
CR: cabbage rose; cable railway; Cabot's ring; call rate; camp robber; canal rays; cash register; cat rig; cathode ray; Cerenkov radiation; cetane rating; chain react; chain reaction; change ringing; charcoal rot; charlotte russe; Cherokee rose; chi rho; China rose; Chinese red; Christmas rose; chrome red; circadian rhythm; circuit rider; civil rights; claiming race; clapper rail; clean room; clock radio; club root; coast rhododendron; cog railway; cold rubber; composing room; concurrent resolution; conditioned reflex; conditioned response; Confederate rose; Congo red; connecting rod; consciousness raising; control rocket; controlled response; conversion reaction; coral reef; corn rose; cosmic ray; cotton rose; cotton rust; Counter Reformation; counting room; credit rating; crepe rubber; crop rotation; cross reaction; cross refer; cross reference; crown rot; cruising radius; cube root; Culver's root; curb roof; current ratio; curtain raiser; cut rate
CS: cable stitch; cadmium sulfate; caesar salad; Caesarean section; calcarine sulcus; candy striper; cane sugar; canker sore; cannon shot; canvas shoe; cap screw; capital ship; capital stock; carbon star; carotid sinus; cascara sagrada; case shot; case study; case system; castile soap; Castile soap; CAT scan; CAT scanner; CAT scanning; catbird seat; caustic soda; celestial sphere; chain saw; chain smoke; chain stitch; chain store; cheap shot; chef's salad; chi square; Chile saltpeter; chili sauce; chimney sweep; chimney swift; Chinook salmon; chip shot; chipping sparrow; chop suey; choral speaking; Christian Science; chromatic scale; Church Slavonic; cinnamon stone; circular saw; circulatory system; city state; civil servant; civil service; clary sage; clean shaven; clear sighted; cliff swallow; close shave; closed shop; cloud seeding; club sandwich; club soda; club steak; clumber spaniel; Clumber spaniel; co star; cocker spaniel; coffee shop; coho salmon; cold shoulder; cold sore; cold storage; cold sweat; comfort station; comic strip; comma splice; common salt; common school; common sense; common stock; comparison shop; composing stick; compound sentence; con spirito; conditioned stimulus; confectioners' sugar; Congo snake; conic section; consolidated school; constituent structure; container ship; continental shelf; continental slope; continuous spectrum; control stick; control surface; coping saw; copper sulfate; coral snake; corbie step; cordon sanitaire; corn salad; corn silk; corn snow; corn sugar; corn syrup; coronal suture; corpus striatum; corrosive sublimate; cotton stainer; cough syrup; Coulomb scattering; county seat; cow shark; cracked stem; craniosacral system; cream sauce; crepe suzette; crew sock; critical state; cross section; cross stitch; crown saw; crucible steel; crystal set; Cub Scout; cube steak; cucking stool; cuckoo spit; culture shock; curtail step; curtain speech; Cushing's syndrome; cypress spurge
CT: cable television; cable TV; Cairn terrier; calc tufa; calc tuff; cambric tea; camphor tree; Canada thistle; carbon tetrachloride; carriage trade; Central Time; chalk talk; cherry tomato; China tree; chocolate tree; Christ's thorn; Christmas tree; clinical thermometer; clothes tree; coal tar; cockspur thorn; coffee table; coffee tabler; coffee tree; cold turkey; cold type; commercial traveler; common time; commutation ticket; conjugation tube; connect time; connective tissue; conning tower; console table; contingency table; control tower; coronary thrombosis; cottage tulip; cotton tree; county town; court tennis; courtesy title; cow town; cranberry tree; crash truck; critical temperature; crocodile tears; Crookes tube; cross town; cucumber tree; Curie temperature; curly top; cut time
: CU; catch up; close up; cover up; craft union; credit union; customs union
CV: Canes Venatici; cardinal virtues; casting vote; cinema verite; clack valve; complex variable; Confederate violet; contractile vacuole; coral vine; coronary vein; Coxsackie virus; cross vault; crown vetch; crystal violet; cumulative voting; curriculum vitae; cypress vine
CW: caddice worm; caddice worm; caddis worm; Canton ware; car wash; carbonated water; carrier wave; catherine wheel; cedar waxwing; cell wall; Chandler Wobble; Chandler's Wobble; Charles's Wain; chemical warfare; Chester White; chicken wire; Chinese white; chuck wagon; Circassian walnut; civil war; cold war; cold water; cold wave; cold welding; combining weight; compression wave; compressional wave; Conestoga wagon; continuous wave; corn whiskey; cotton wool; counter word; covered wagon; crash wagon
CY: cabbage yellow; calendar year; chrome yellow; cloth yard
DE: dark adaptation; Dark Ages; de accession; decanoic acid; definite article; destroying angel; devil's advocate; dialect atlas; dichromic acid; differential analyzer; dihedral angle; diophantine analysis; direct action; direct action; directed angle; directional antenna; disaster area; discretionary account; district attorney; do all; dog's age; double agent; drawing account; driver ant; duplex apartment
DB: darkling beetle; data bank; data base; dating bar; day bed; devil's bit; dilly bag; dirt bike; disc brake; disk brake; ditty bag; ditty box; dive bomb; diving beetle; diving bell; diving board; dog biscuit; doggie bag; doggie bag; doggy bag; Domesday Book; Doomsday Book; Douay Bible; double bar; double barreled; double bass; double bassoon; double bed; double blind; double boiler; double breasted; down bow; draft board; drag bunt; dragon's blood; drainage basin; drawn butter; dry battery; duck blind; due bill; duffel bag; dumdum bullet; dune buggy; dung beetle; dust bowl; Dutchman's breeches; dyer's broom
DC: da capo; dairy cattle; data carrier; daughter cell; day care; dead center; death camas; death camass; death cup; deck chair; dent corn; dependent clause; depth charge; dernier cri; devil's club; dielectric constant; differential calculus; differential coefficient; digital computer; dining car; diplomatic corps; direct current; director's chair; dirt cheap; disordered condition; disorderly conduct; distillation column; district court; dog collar; dog's chance; dome car; double check; double check; double chin; double cross; drawing card; Dresden china; dress circle; dress code; drop cloth; drop curtain; dry cell; dry clean; dunce cap; dunce's cap; dust cover; Dutch cheese; Dutch clover; Dutch courage; dwarf cornel
DD: D day; daily double; Dandie Dinmont; dead duck; death duty; Decoration Day; deficiency disease; degree day; demand deposit; demolition derby; derring do; destructive distillation; dik dik; dilly dally; ding dong; directed distance; disaster dump; divi divi; dog days; dollar diplomacy; Dominion Day; double dagger; double date; double dealing; double decker; double decomposition; double digit; double dipping; double dome; double dribble; drip dry; dry dock; dry dock; dum dum; dust devil; Dutch door
DE: darning egg; de escalate; dead end; dead end; deckle edge; destroyer escort; dewy eyed; diatomaceous earth; diesel engine; diethyl ether; differential equation; distributive education; dog ear; domino effect; donkey engine; Doppler effect; double eagle; double edged; double entendre; double entry; Down East; down East
DF: dairy farm; de facto; decimal fraction; deep fry; deer fly; dental floss; Dewar flask; direction finder; dirt farmer; disk flower; dobson fly; dog fennel; dorsal fin; double faced; double feature; Douglas fir; dry farming; dry fly; duty free
DG: Dallis grass; dapple gray; Day Glo; deer grass; Depression glass; descriptive geometry; dialect geography; differential gear; differential gearing; diffraction grating; digestive gland; dishcloth gourd; do gooder; dressing gown; dry gangrene; dry goods; ductless gland; durable goods; dusky grouse; dyer's greenweed
DH: dark horse; dead hand; dead heat; death house; death's head; deck hand; dental hygienist; designated hitter; detention home; Dhul Hijja; die hard; dielectric heating; disk harrow; Dorset Horn; double header; down home; drop hammer; duck hawk; duplex house
DI: definite integral; diabetes insipidus; Dies Irae; diplomatic immunity; double indemnity; drill instructor; drive in; drop in; dry ice
DJ: Davy Jones; de jure; Dear John; dinner jacket; disc jockey; disk jockey; disk jockey; Don Juan; double jeopardy; double jointed; dust jacket
DK: double knit; drop kick; dry kiln
DL: D layer; daddy longlegs; Dalai Lama; dark lantern; date line; Davy lamp; day labor; day letter; day lily; de luxe; dead letter; dead load; dean's list; decree law; demand loan; descriptive linguistics; DEW line; dietary law; discharge lamp; Divine Liturgy; do little; dog's life; dominical letter; drag link; drop leaf; drop letter; dumpy level
DM: dead march; deaf mute; deaf mute; death mask; deer mouse; defense mechanism; den mother; detail man; deutsche mark; diabetes mellitus; diacritical mark; diagonal matrix; dialectical materialism; dipole moment; dog's mercury; downy mildew; dramatic monologue; drum major; drum majorette; drum memory; dry measure; dura mater; dusty miller; Dutch metal
DN: darning needle; dead nettle; deadly nightshade; demand note; denominate number; depressor nerve; dime novel; dip needle; do nothing; double negative; dry nurse
DO: damping off; deuterium oxide; dim out; direct object; Divine Office; dog officer; Doric order; drop off; drying oil; Dutch oven
DP: dangling participle; Danish pastry; data processing; date palm; dead point; death point; decimal place; decimal point; demand pull; dementia praecox; Democratic Party; dental plate; depth perception; depth psychology; devil's paintbrush; dew point; dill pickle; direct primary; dirty pool; disk pack; displaced person; Doberman pinscher; dog paddle; domestic prelate; door prize; dot product; double park; double play; double pneumonia; Dover's powder; dramatis personae; draw poker; drawing pin; dress parade; drill press; drip pan; drogue parachute; drum printer; dry point; dual purpose; due process; durable press; Dutchman's pipe
DQ: Dhul Qadah; Don Quixote; double quick; drag queen
DR: D region; damask rose; dame's rocket; dandy roll; dandy roller; de rigueur; dead reckoning; death rate; death rattle; deep rooted; delta ray; delta rhythm; differential rate; diminishing returns; dining room; discount rate; divine right; divining rod; dog rose; Doppler radar; double reed; double refraction; drag race; drawing room; dress rehearsal; dressing room; dry rot; dry run; dude ranch; dyer's rocket
DS: Dakin's solution; dal segno; Damascus steel; damask steel; dark star; data set; day sailer; day school; de Stijl; dead spot; decimal system; decompression sickness; deep sea; deep seated; deep six; deep space; deep structure; deficit spending; Delmonico steak; department store; digestive system; dim sum; dime store; directional signal; discount store; disperse system; distaff side; diving suit; division sign; Dobell's solution; dog sled; dog sledge; Dog Star; Dolby System; dollar sign; dolman sleeve; dolphin striker; dope sheet; Dorcas society; dot sequential; dotted swiss; double salt; double space; double standard; double star; Down's syndrome; Downing Street; dress suit; drive shaft; driver's seat; dry salter; dry socket; duck soup; ducking stool; dumb show; dunk shot; dust storm; dwarf star
DT: day tripper; de trop; death tax; deck tennis; delirium tremens; dental technician; dial tone; diamondback terrapin; diethyl toluamide; dinner theater; direct tax; dirty tricks; discharge tube; displacement ton; dog tag; dog tired; domino theory; double take; double talk; double team; double time; double tongue; doubting Thomas; Dow theory; dragon tree; dressing table; due to; dump truck; Dutch treat
DU: double u; down under; dress uniform; drive up; Dutch uncle
DV: dame's violet; deja vu; Deo volente; dependent variable; discrete variable; dogtooth violet; dolce vita; Dolly Varden; Douay Version; dummy variable
DW: dead weight; death warrant; death wish; delta wave; delta wing; dew worm; differential windlass; digger wasp; dirty word; dominant wavelength; dry wall; dry wash; dyer's weed
EA: efficiency apartment; ellagic acid; employment agency; erythorbic acid; ethacrynic acid; ethyl acetate; ethyl alcohol; executive agreement; expense account; exterior angle
EB: eager beaver; early bird; eclipsing binary; eggs Benedict; eight ball; electrovalent bond; emergency brake; emery board; emperor butterfly; en brochette; engine block; expansion bolt; eye bank; eye bath
EC: Eastern Church; easy chair; echo check; Edam cheese; egg case; Egyptian clover; Egyptian corn; Egyptian cotton; elastic collision; Electoral College; Electra complex; electric chair; electrolytic cell; emery cloth; Episcopal Church; equatorial current; equinoctial circle; escalator clause; established church; estral cycle; estrous cycle; et cetera; ethyl chloride; Eton collar; ex cathedra; executive council; eye contact
ED: El Dorado; Election Day; electric displacement; Ember day; eminent domain; energy density; English daisy; epic drama; Eskimo dog; evening dress; eye dialect
EE: eagle eyed; Easter egg; efficiency expert; electric eel; electric eye; electrical engineering; emergent evolution; ethyl ether; evil eye; external ear
EF: electric field; electric flux; electric furnace; electromotive force; electronic flash; elephant folio; Elysian Fields; empirical formula; English finish; enteric fever; epicanthic fold; Erlenmeyer flask; exchange force; extended family; extrinsic factor
EG: East Germanic; eccrine gland; elbow grease; electric guitar; electron gun; electrostatic generator; elliptic geometry; en garde; encounter group; endocrine gland; Estates General; ethylene glycol; evening gown; exempli gratia; exophthalmic goiter
EH: Eastern Hemisphere; ecce homo; eleventh hour; empty handed; empty headed; English horn
EI: ego ideal; electric intensity
EJ: Eton jacket
EL: E layer; ear lobe; Easter lily; electric lamp; electric light; electron lens; embryonic layer; encephalitis lethargica; end leaf; energy level; ex libris
EM: Easter Monday; electric moment; electric motor; electron micrograph; electron microscope; electron multiplier; electronic music; Eleusinian mysteries; emperor moth; en masse; end man; end matter; English muffin; enlisted man; ethyl mercaptan; evaporated milk; evil minded; exposure meter
EN: east northeast; eighth note; emission nebula; ewe neck; ex nihilo
EO: each other; eagle owl; early on; either or; electron optics; end organ; essential oil; ex officio; exclusive of; executive officer; executive order; eye opener; eyes only
EP: ectopic pregnancy; ecumenical patriarch; electron pair; electrostatic precipitation; electrostatic printing; elementary particle; Emancipation Proclamation; emperor penguin; en passant; English plantain; eta particle; European plan; Evening Prayer; evening primrose; ex parte; exclamation point; exclusion principle; eyebrow pencil
ER: E region; ear rot; economic rent; egg roll; electric ray; elevated railway; emergency room; en route; Enfield rifle; equivalence relationship; exchange rate; executive routine; express rifle; eye rhyme
ES: Eagle Scout; ear shell; eared seal; earless seal; earth satellite; earth science; earth station; east southeast; easy street; echo sounder; ejection seat; elder statesman; electrical storm; electronic stylus; elementary school; elephant seal; Elizabethan sonnet; embryo sac; emission spectrum; English setter; English sheepdog; English sonnet; English sparrow; Epsom salt; Epsom salts; equal sign; equity stock; evening star; evening stock; executive secretary; executive session; experiment station; eye shadow
ET: ear trumpet; ebb tide; edge tool; educational television; ego trip; ego trip; elapsed time; electron tube; empress tree; end table; enfant terrible; ephemeris time; epic theater; epicyclic train; equal temperament; Eustachian tube; execution time; experience table; express train
EU: electrostatic unit; extreme unction
EV: elan vital; electron volt; escape velocity; exploded view
EW: egg white; English walnut; equivalent weight; escape wheel
FA: face angle; fait accompli; false alarm; false arrest; farewell among; fatty acid; fatty alcohol; femoral artery; ferricyanic acid; ferrocyanic acid; ferulic acid; field artillery; Fifth Amendment; fine art; fire alarm; fire ant; first aid; Fleet Admiral; flight attendant; fly agaric; folic acid; forasmuch as; formic acid; Fourier analysis; Franco American; free agent; free associate; free association; Freund's adjuvant; fringe area; fulminic acid; fumaric acid
FB: fair ball; false bottom; family Bible; fan belt; farcy bud; fat body; fava bean; feather bed; fever blister; figured bass; filter bed; finance bill; finger bowl; fire beetle; fire blight; fire bomb; fire brigade; first base; first born; fisherman's bend; fission bomb; flannel bush; flash bulb; flash burn; flea beetle; flea bitten; flight bag; flower bug; fly ball; fly book; fly boy; flying boat; flying bomb; flying buttress; fog bank; foot brake; foreign bill; foul ball; four bagger; fragmentation bomb; French bulldog; fresh breeze; Friedlander's bacillus; frigate bird; fringe benefit; frontal bone; fruit bat; fruiting body; full blood; full blooded; full blown; full bodied; funny bone; funny book; fusion bomb; fuss budget
FC: face card; face cloth; fair catch; fair copy; family circle; farmer cheese; fat cat; Father Christmas; father confessor; fellow creature; ferric chloride; ferrite core; fete champetre; fiddler crab; field capacity; field coil; field corn; fielder's choice; fifth column; fighting chance; file clerk; finance company; fire clay; fire control; fire cure; firmer chisel; first class; first class; first cousin; fish cake; fish crow; flame cell; flannel cake; flash card; flea collar; flint corn; flip chart; flow chart; flying colors; food chain; fool's cap; foot candle; foregone conclusion; foreign correspondent; form class; fortune cookie; four color; four cycle; fourth class; fovea centralis; fractional currency; free city; freight car; French Canadian; French Canadian; French chalk; French chop; French cuff; French curve; frequency curve; friction clutch; fried cake; frock coat; fruit cup; fuel cell
FD: Fabry's disease; fallow deer; fancy dress; Father's Day; federal district; field day; fine drawn; fire department; fire drill; firehouse dog; fishskin disease; Flag Day; flagrante delicto; flight deck; flint disease; floating dock; floppy disk; flow diagram; flowering dogwood; fluid dram; flux density; flying dragon; Flying Dutchman; folk dance; foot dragging; four dimensional; fourth dimension; fractional distillation; freeboard deck; freeze dry; freeze drying; French door; French dressing; frequency distribution; friction drive; fuddy duddy; full dress; full dress
FE: fag end; Faraday effect; feminine ending; field emission; field event; figure eight; fire eater; fire engine; fire escape; fire extinguisher; first edition; flight engineer; floor exercise; floral envelope; fool's errand; foreign exchange; fourth estate; free electron; free energy; free enterprise; freeze etching; front end; fuller's earth
FF: fact finding; fancy free; far fetched; far flung; fast food; father figure; fellow feeling; femme fatale; fiddle faddle; fieri facias; fifty fifty; filter feeder; finder's fee; fipple flute; first floor; first fruits; fish farm; fish flour; fish fry; five finger; flash flood; flash forward; flesh fly; fleshy fruit; flight feather; flip flop; fly fish; fly front; flying fatigue; flying field; flying fish; flying fox; flying frog; foot fault; force feed; force field; forty five; fossil fuel; Founding Father; four flush; four flush; four footed; free fall; free flight; free floating; free form; French fries; French fry; frit fly; frou frou; frozen food; fruit fly; full fashioned; full fledged
FG: falcon gentle; fall guy; feather grass; fiber glass; field glass; field goal; filial generation; filled gold; fine grained; flash gun; flint glass; flower girl; flux gate; fly gallery; flying gurnard; fool's gold; foundation garment; fox grape; fresh gale; fringed gentian; full gainer; functional group
FH: face harden; faint hearted; fair haired; faith healer; false hearted; farm hand; field hand; field hockey; field hospital; field house; fines herbes; finnan haddie; finnan haddock; fire hydrant; fish hawk; fixed head; flying head; forlorn hope; fortune hunter; four hundred; Four Hundred; free hand; French heel; French horn; frost heave; frost heaving; full house; fun house; funeral home
FI: facial index; fade in; false imprisonment; false indigo; fan in; feedback inhibition; fill in; fire irons; First International; floating island; focal infection; fuel injection; functional illiterate
FJ: fan jet; fish joint; flying jib
FK: false keel; fisherman's knot; flutter kick; French kiss; French knot; frog kick
FL: F layer; fair lead; fair leader; fairy lily; fall line; fan letter; farmer's lung; fawn lily; feature length; field lens; fig leaf; file lockout; finish line; firing line; first lady; first lieutenant; flannel leaf; flash lamp; floor lamp; floor leader; fluorescent lamp; flying lemur; flying lizard; focal length; foot lambert; fork lift; form letter; formal logic; foul line; foxtail lily; Fraunhofer lines; free lance; free lance; free living; free love; French leave; friar's lantern; frilled lizard; front line; frontal lobe; frontal lobotomy; frost line; full length
FM: facsimile modulation; fair minded; false miterwort; family man; fan mail; fata morgana; feeble minded; fellow man; fiat money; field magnet; field marshal; field mint; field mouse; fig marigold; filet mignon; filled milk; first mate; flea market; floor manager; flow meter; flowering maple; fluorescence microscopy; flying machine; flying mare; folk mass; folk medicine; folk music; foramen magnum; force majeure; foreign mission; foul mouthed; French marigold; frequency modulation; friction match; front man; front matter; front money; full moon; full mouthed; fusible metal
FN: f number; facial nerve; family name; Fibonacci number; first name; first night; first nighter; fly net; forty niner; full nelson
FO: face off; fade out; falling out; fan out; far off; far out; ferric oxide; ferrous oxide; fiber optics; field officer; fire opal; first offender; fixed oil; flag officer; flat out; fluid ounce; fly over; fold out; foramen ovale; foreign office; found object; four o'clock; freak out; fringed orchis; front office; fuel oil; fusel oil
FP: fair play; false pretense; family planning; fan palm; far point; fashion plate; fault plane; faux pas; fess point; fetal position; fever pitch; film pack; filter paper; fine print; finger paint; finger painting; finger post; fire pink; firing pin; first papers; first person; fixed point; flash photolysis; flash point; floating point; flood plain; floor plan; flowering plant; flue pipe; fly poison; flying phalanger; focal point; foliage plant; food poisoning; food processor; fool's paradise; fool's parsley; foot pound; foot poundal; force pump; foreign policy; forte piano; forward pass; Foucault pendulum; foul play; foundry proof; fountain pen; four poster; fowling piece; free port; freezing point; French pastry; French provincial; frequency polygon; fringed polygala; front page; frontal plane; frying pan; fundamental particle; funny paper; futtock plate; future perfect
FQ: flowering quince
FR: F region; fairy ring; falling rhythm; false rib; family room; far reaching; far red; Faraday rotation; fatality rate; feather rot; feminine rhyme; Feulgen reaction; fife rail; fin rot; first rate; fishing rod; flame retardant; floating rib; foam rubber; folk rock; foot rot; forest ranger; free radical; free rein; free ride; front room; front runner; full rhyme; fund raiser; fund raising; futurity race
FS: f stop; f system; face saver; fail safe; fail soft; fair sex; fair shake; fair spoken; fairy shrimp; falling star; far sighted; fat soluble; favorite son; feather star; fee simple; fee splitting; Fehling's solution; fellow servant; female suffrage; fence sitter; fern seed; ferrous sulfate; ferrous sulfide; Fibonacci sequence; figure skating; figures shift; filling station; fine spun; finishing school; fire sale; fire screen; fire ship; fire station; firing squad; first sergeant; first string; fish stick; fish story; fixed star; flat silver; Fleet Street; flight surgeon; flip side; floor sample; floor show; flow sheet; fly swatter; flying saucer; flying squirrel; flying start; folk singer; folk song; food stamp; foot soldier; foreign service; foul shot; four star; Fourier series; fox squirrel; Franklin stove; free silver; free soil; free soil; free spoken; free swimming; French seam; fret saw; Freudian slip; frog spit; frog spittle; fruit sugar; full scale; full stop; functional shift; fur seal; futtock shroud; future shock; futurity stakes
FT: fair trade; fairy tale; Fallopian tube; Fallot's tetralogy; family tree; fan tan; fast talk; fee tail; fellow traveler; fever therapy; fever tree; field trial; field trip; finger tip; fire thorn; fire tower; flame thrower; flash tube; flight test; flood tide; floral tube; follow through; foul tip; fox terrier; fox trot; free thought; free throw; free trade; freight train; French telephone; French toast; friction tape; fringe tree; full tilt; full time; fuller's teasel; future tense
FU: fed up; Finno Ugrian; Finno Ugric; flare up; flash unit; follow up; foul up; frame up; free university
FV: face value; fan vaulting; filterable virus; food vacuole; free verse
FW: fair weather; fat witted; Ferris wheel; ferris wheel; field winding; fifth wheel; fig wasp; finger wave; fire wall; first water; First World; flag waving; flake white; flesh wound; food web; formula weight; fortified wine; forty winks; four wheel; Fourth World; free wheel; free will; free world; French window; function word
FY: fiscal year
FZ: free zone; frigid zone
GA: gallic acid; gallium arsenide; general anesthetic; general assembly; gentleman's agreement; gibberellic acid; ginger ale; glutamic acid; glyceric acid; glycolic acid; go ahead; go around; goat antelope; God's acre; golden age; golden ager; golden Alexanders; golden aster; Golgi apparatus; Gothic arch; grain alcohol; gram atom; graphic arts; great auk; great aunt; green alga; gum ammoniac; gum arabic
GB: gallows bird; garment bag; gas burner; Geneva bands; gentle breeze; ginger beer; Gladstone bag; glass blowing; gluten bread; go between; go by; gold brick; gold bug; golden bantam; goldsmith beetle; Good Book; good book; good by; good bye; gooney bird; goony bird; goose bumps; gopher ball; grab bag; gravel blind; gravy boat; Great Bear; green bean; Green Beret; grizzly bear; ground ball; ground bass; ground beetle; gum benjamin; gum benzoin; gypsum board
GC: G clef; galvanic cell; galvanic couple; Gantt chart; garden cress; garrison cap; gas chamber; gas chromatograph; gas chromatography; Geiger counter; General Court; genetic code; genetic counseling; Geneva Convention; Geneva cross; Georgette crepe; germ cell; German cockroach; ghost crab; glee club; globular cluster; glove compartment; go cart; gold certificate; golden calf; golden club; golf club; golf course; Golgi complex; gondola car; grace cup; grade crossing; graham cracker; gram calorie; grandfather clause; grandfather clock; gravitational collapse; great circle; Greek Catholic; Greek cross; green corn; greeting card; Gregorian calendar; Gregorian chant; ground cherry; ground cloth; ground cover; ground crew; growth company; guard cell; gun carriage; Gunter's chain; gypsy cab
: GD; gamma decay; gandy dancer; Gaussian distribution; general delivery; geodesic dome; germinal disc; ghost dance; go devil; gold digger; gold dust; grand duchess; grand duchy; grand duke; Graves' disease; graving dock; Great Dane; great divide; green dragon; gun dog
GE: galactic equator; general election; genetic engineering; geomagnetic equator; gilt edge; gilt edged; glacial epoch; glass eel; goggle eyed; golden eagle; goose egg; grain elevator; green eyed; greenhouse effect; Gunn effect
GF: gal Friday; game fowl; Garrison finish; gas fitter; gefilte fish; gentleman farmer; gill fungus; girl Friday; glandular fever; gold filled; gold foil; Golden Fleece; good fellowship; Good Friday; goose flesh; Graafian follicle; grandfather file; grape fern; Greek fire; ground floor; growth fund; guinea fowl
GG: gamma globulin; gas gangrene; gas guzzler; gas guzzling; Gatling gun; generation gap; generative grammar; Geneva gown; gentleman's gentleman; Gibson girl; Girl Guide; go getter; go go; golden glow; goo goo; goody goody; goose grass; governor general; grammatical gender; grass green; graylag goose; gris gris; ground glass; GH; gallows humor; gang hook; garden heliotrope; glad hand; glad hand; glass harmonica; Golden Horde; good humored; grape hyacinth; grappling hook; ground hemlock; ground hog; guard hair; guinea hen; gung ho
GI: galvanized iron; geometric isomer; Government Issue; grade index; grappling iron; graven image; gravitational interaction; gross index; ground ivy; group insurance
GJ: gas jet; gastric juice; grand jury; gyp joint
GK: Gordian knot; granny knot
GL: gas log; genius loci; germ layer; glacier lily; gold leaf; good looking; Grand Lama; grand larceny; great laurel; green light; Gresham's law; Grimm's Law; ground loop; gumbo limbo; GM; G man; gall midge; garlic mustard; gas main; gas mask; geographic mile; geometric mean; German measles; Gila monster; gin mill; gold mine; golden mean; gospel music; gram molecule; Gram's method; grand mal; gray matter; gray mullet; grease monkey; green manure; green monkey; guanosine monophosphate; guided missile; gun moll; gypsy moth
GN: galactic nebula; galactic noise; gill net; given name; good nature; good natured; grace note; Gram negative
GO: gag order; general officer; going over; goings on; golden oldie; goof off; grand opera
GP: galley proof; game plan; gas plant; general paresis; general practitioner; general purpose; geometric pace; geometric progression; germ plasm; Gestalt psychology; giant panda; gingerbread palm; Gloria Patri; glow plug; goal post; gold point; golden pheasant; goose pimples; grade point; Gram positive; grand piano; Grand Prix; granite paper; graph paper; gray panther; grease paint; Great Powers; Great Pyrenees; green pepper; green plover; Greenback Party; gros point; ground pine; ground plan; ground plum; growing pains; gudgeon pin; guinea pig; gum plant; gutta percha; gyro pilot
GR: gable roof; gaff rig; gag rule; gambrel roof; gamma ray; general relativity; gin rummy; glad rags; go round; goat's rue; gold reserve; gold rush; golden rule; grave robber; Great Russian; Greco Roman; green revolution; ground rent; ground robin; ground rule; guelder rose; guide rope; gum resin; gyromagnetic ratio
GS: G suit; galanty show; galley slave; game show; garage sale; garter snake; gas station; gene splicing; general semantics; general staff; general store; geomagnetic storm; German shepherd; German silver; giant sequoia; giant star; gill slit; Girl Scout; glass snake; Glauber's salt; Glauber's salts; glottal stop; gold standard; goldbeater's skin; golden section; Good Samaritan; good sized; goose step; goose step; gopher snake; Gordon setter; Gospel side; gospel side; grade school; grammar school; grand slam; grape sugar; grass snake; grass snipe; graveyard shift; gray squirrel; great seal; Great Spirit; green snake; green soap; Greenland spar; ground sheet; ground speed; ground squirrel; ground state; ground swell; Grub Street; guild socialism; gun shy
GT: gaff topsail; Galois theory; game theory; gas turbine; gear train; Geiger tube; general term; geologic time; germ theory; get together; ghost town; GO TO; good tempered; grand tour; grandfather tape; grass tree; gravy train; great uncle; green tea; green thumb; green turtle; Greenwich time; group theory; group therapy; guerrilla theater; gum tree; gunpowder tea
GU: get up; grown up
GV: garden variety; gentian violet; germinal vesicle
GW: gall wasp; galley west; gee whiz; gee whiz; germ warfare; ghost word; glass wool; good will; grass widow; gravitational wave; gravity wave; gray whale; gray wolf; Great War; ground water; ground wave; guided wave; guinea worm
GZ: ground zero
HZ: harmonic analysis; heal all; hearing aid; heart attack; heir apparent; hemp agrimony; Homestead Act; hot air; hour angle; house arrest; household arts; hydriodic acid; hydrobromic acid; hydrochloric acid; hydrocyanic acid; hydrofluoric acid; hypochlorous acid; hyposulfurous acid
HB: H bomb; half baked; half binding; half blood; half blood; half blooded; half boot; half bound; half bred; half breed; half brother; hand's breadth; hand's breadth; hard bitten; hard boiled; harlequin bug; harvest bug; has been; hawk's beard; heart block; heel bone; herb bennet; hermaphrodite brig; Hessian boot; high beam; hollywood bed; holus bolus; home base; home brew; honest broker; honey bear; horse balm; horse bean; hot blooded; hubble bubble; human being; hurly burly; husking bee; hyacinth bean; hydraulic brake; hydrogen bomb; hydrogen bond; hydrogen bromide; hyoid bone
HC: habeas corpus; Haitian Creole; half caste; half cock; half crown; Halley's comet; hard cider; hard coal; hard copy; hard core; hard core; haute couture; haute cuisine; head cold; heat capacity; HeLa cell; Hercules' club; hermit crab; heroic couplet; High Church; high class; high comedy; high court; higher criticism; Hindu calendar; Hobson's choice; hog cholera; holding company; Hollerith card; Holy Communion; hop clover; hope chest; horse chestnut; horseless carriage; horseshoe crab; hot cake; hour circle; Hubble's constant; Humboldt Current; hyaline cartilage; hydraulic cement; hydrogen chloride; hydrogen cyanide
HD: half dime; half dollar; Hansen's disease; heart disease; heavy duty; Hodgkin's disease; hoe down; holy day; hookworm disease; hors d'oeuvre; hot dog; hot dog; housing development; hunky dory; hurricane deck
HE: half eagle; Hall effect; haute ecole; hawk eyed; heat exchanger; heat exhaustion; high energy; high explosive; higher education; home economics; human engineering
HF: habit forming; hail fellow; hard fisted; harvest fly; hatchet face; hay fever; health food; heart failure; heavy footed; hedge fund; Hessian fly; hi fi; high fashion; high fidelity; high flown; high frequency; Highland fling; Holy Father; home front; hot flash; hydrogen fluoride; hyperbolic function
HG: half gainer; hand glass; hang glider; harpoon gun; Hawaiian guitar; head gate; herring gull; high gear; High German; high grade; Holy Ghost; Holy Grail; hominy grits; honey guide; horse gentian; hurdy gurdy
HH: ha ha; half hitch; half hour; halfway house; happy hour; hard handed; hard hat; hard hitting; harvest home; hash house; haw haw; head hunting; heath hen; heavy handed; heavy hearted; heavy hydrogen; hedge hyssop; heigh ho; hen harrier; hidey hole; high hat; High Holiday; hip huggers; hiring hall; ho hum; ho hum; hop hornbeam; hush hush
HI: half integral; hanging indention; health insurance; heat island; hydrogen iodide; hydrogen ion; hydroxide ion; hydroxyl ion; hypodermic injection
HJ: heebie jeebies; high jinks; high jump; hip joint; hung jury
HK: hara kiri; Hare Krishna; housemaid's knee
HL: half length; half life; half light; half line; hammer lock; Hanseatic League; hapax legomenon; hard labor; hard landing; hard line; hard line; hard liquor; heat lightning; Heaviside layer; high level; higher learning; historical linguistics; hit list; homestead law; honey locust; horse latitudes; hot line; hurricane lamp
HM: Hail Mary; half mast; half moon; handlebar mustache; hard maple; harmonic mean; harvest mite; harvest moon; hash mark; hatchet man; hawk moth; he man; hearth money; Heidelberg man; Heimlich maneuver; heroic meter; High Mass; high minded; high muckamuck; historical materialism; honeydew melon; honorable mention; horn mad; horse mackerel; horse marine; house martin; hush money
HN: half nelson; half note; hard news; hard nosed; have not; hemp nettle; high noon; horse nettle; hypodermic needle; hypoglossal nerve
HO: hand off; hand organ; hands off; hands on; hanger on; hard on; head on; hide out; high octane; Hippocratic oath; holm oak; Holy Office; holy orders; hoot owl; horse opera; house organ; hung over
HP: hair piece; half pint; hand pick; hand puppet; hanky panky; hard palate; harmonic progression; hasty pudding; head pin; heat prostration; heat pump; heir presumptive; herb Paris; heroic play; higgledy piggledy; high pitched; high place; high power; high powered; high pressure; high priest; high priestess; historical present; hitching post; hocus pocus; hog peanut; hoi polloi; hokey pokey; holding pattern; home plate; homing pigeon; homolographic projection; homolosine projection; horned pout; hot pants; hot pepper; hot plate; house party; house physician; housing project; humble pie; Huygens' principle; hydraulic press; hydrogen peroxide; hyperbolic paraboloid; hysteron proteron
HR: hair raiser; hair raising; half relief; hard rock; hard rubber; harness race; head restraint; heart rending; heat rash; herb Robert; high relief; high rise; high riser; high risk; high roller; hip roof; Holy Roller; home rule; home run; hot rod; house raising; hydraulic ram
HS: hair seal; hair shirt; hair space; hair spray; hair stroke; hair style; half sister; half slip; half sole; half sole; half sovereign; half staff; half step; Hamito Semitic; harbor seal; hard sauce; hard sell; hard shell; hard shelled; hard spun; harmonic series; harum scarum; head shop; head shrinker; head start; health spa; heart stricken; heart struck; heart struck; heat shield; heat sink; heat stroke; heavy spar; Hebrew Scriptures; helter skelter; high school; high seas; high sounding; high spirited; high street; high strung; high style; historical school; hobble skirt; hockey stick; hognose snake; hollandaise sauce; Holy Saturday; Holy See; Holy Spirit; Holy Synod; home screen; Homo sapiens; hooded seal; hook shot; hoop skirt; hoop snake; horse sense; hot seat; hot spring; house sitter; house snake; house sparrow; Hudson seal; hunger strike; hurry scurry; hurry skurry; hydrogen sulfide; hyperfine structure; hypodermic syringe
HT: hair trigger; hair trigger; half timber; half timbered; half time; half title; half tone; half track; half truth; hart's tongue; hat trick; head trip; heat treat; Hermes Trismegistus; hermit thrush; high tea; high tech; high technology; high tension; high test; high tide; high toned; high treason; hog tie; hoity toity; Holy Thursday; honky tonk; horned toad; horse trade; hot toddy; hot tub; hound's tongue
HU: hang up; heads up; higher up; horizontal union; hung up
HV: half volley; heroic verse; horned viper; humeral veil; hybrid vigor
HW: half wit; hard water; hard wired; head wind; heat wave; heavy water; hero worship; hero worship; Hertzian wave; high water; holy water; Holy Week; horsehair worm; household word
IA: ice age; ice ax; ill advised; in absentia; in aeternum; inasmuch as; indefinite article; Indian agent; Indian almond; Indo Aryan; indoleacetic acid; industrial arts; infantile autism; innominate artery; insofar as; insomuch as; inter alia; inter alios; interior angle; intra atomic; iodic acid; Iron Age; isopropyl alcohol
IB: I beam; ice bag; idiot box; ill being; ill boding; ill bred; in between; in between; incendiary bomb; inclusion body; Indian bread; indigo bunting; innominate bone; ionic bond; Irish bull; iron blue; ironing board; itsy bitsy; itty bitty; ivory black
IC: ice cap; ice cream; ID card; identity crisis; idle character; Immaculate Conception; immediate constituent; in camera; independent clause; Indian club; Indian corn; induction coil; inferiority complex; infinitesimal calculus; inky cap; inner city; insurance company.; integral calculus; integrated circuit; intensive care; intermittent current; inverted comma; ionization chamber; Irish coffee; Iron Curtain
ID: implicit differentiation; in depth; Independence Day; indirect discourse; infra dig; inner directed; integral domain; interior decoration; interior decorator; interior design; intrauterine device; ipse dixit; iris diaphragm
IE: identity element; in extenso; in extremis; Indo European; inner ear; internal ear; ion engine; ion exchange; Irish elk; Irish English; isometric exercise
IF: I formation; ice field; ice floe; ice fog; ice foot; ichneumon fly; idee fixe; ignis fatuus; ill fated; ill favored; imperfect fungus; implicit function; improper fraction; in flight; index finger; Indian file; inertial frame; intestinal fortitude; intrinsic factor; ipso facto
IG: ill gotten; in group; Indian giver; Indo Germanic; inertial guidance; inspector general; Irish Gaelic; iron gray
IH: ice hockey; ill humor; ill humored; in house; Indian hemp; Indo Hittite; iron hand; iron horse
II: ilang ilang; improper integral; indefinite integral; India ink; Indo Iranian; invisible ink
IJ: ipso jure
IL: idiot light; in law; in line; incandescent lamp; Indian licorice; indirect lighting; international law; iron lung; isoclinic line; isogonic line; Ivy League
IM: ice milk; Iceland moss; identity matrix; ill mannered; impedance matching; imperial moth; in memoriam; incidental music; Indian meal; infectious mononucleosis; infernal machine; interior monologue; internal medicine; inverted mordent; io moth; Irish moss; iron maiden; itch mite
IN: ice needle; ill natured; imaginary number; index number; irrational number; ivory nut
IO: ice out; image orthicon; inclusive of; indirect object; instead of; Ionic order; iron oxide; irrespective of
IP: ice pack; ice pick; ice plant; ice point; idle pulley; idler pulley; ignition point; in personam; in petto; in posse; inclined plane; indefinite pronoun; India paper; Indian paintbrush; Indian pipe; Indian pudding; industrial park; industrial psychology; inertial platform; infantile paralysis; inner product; instrument panel; international pitch; interrogation point; ion propulsion; ionic propulsion; ionization potential; iron pyrites
IQ: I. Q.; intelligence quotient
IR: in re; in rem; India rubber; Indian red; industrial revolution; instant replay; internal rhyme; ion rocket; ionizing radiation
IS: ice show; ice skate; ice skate; ice storm; Iceland spar; identity sign; ill sorted; ill starred; imposing stone; in service; in situ; Indian summer; indigo snake; inductive statistics; infant school; information science; ink sac; inner space; insular sclerosis; insulin shock; inter se; internal secretion; International System; invert sugar; Irish setter; Irish stew; isotopic spin; Italian sandwich; Italian sonnet
IT: ill tempered; ill timed; ill treat; Immelmann turn; in toto; income tax; Indian tobacco; Indian turnip; indirect tax; information theory; inheritance tax; inside track; intelligence test; interactive terminal; ion trap; Irish terrier; ivory tower
IU: ill use; imaginary unit; industrial union; international unit
IV: in vitro; in vivo; innominate vein; inter vivos; ipsissima verba
IW: ice water; ichneumon wasp; idle wheel; ill will; Indian wrestling; inertia welding; Irish whiskey; Irish wolfhound
JA: jai alai; Japanese andromeda; Jerusalem artichoke; job action; Jordan almond; judge advocate; junk art
JB: jack bean; Japanese beetle; jequirity bean; jet boat; jib boom; jodhpur boots; John Barleycorn; John Bull; journal box; jug band; juke box; jump ball; jump bid; jumping bean; junction box; June beetle; June bug; June bug
JC: Japan clover; Japan Current; Japanese cedar; jaunting car; Jerusalem cherry; Jerusalem cross; Jewish calendar; Jim Crow; jim crow; jim crow; Jim Crow; Job's comforter; Jordan curve; Julian calendar; jumper cable; junior college; juvenile court
JD: jail delivery; jeunesse doree; jim dandy; John Doe; John Dory; Judgment Day; juris doctor; juvenile delinquency
JE: jet engine; Josephson effect
JF: Jack Frost; Janus faced; Jesus freak; jungle fowl; junk food
JG: Johnson grass; jungle gym; jus gentium
JH: jew's harp; jews' harp; job hop; job hopping; John Hancock; joss house; juvenile hormone
JI: Japanese iris; Japanese ivy
JJ: jim jams; Josephson junction; jumping jack
JL: Jacob's ladder; Japanese leaf; jet lag; job lot
JM: jack mackerel; Japanese maple; Java man; jigger mast; Johnson noise; jumping mouse; junior miss; junk mail
JO: Jell O; Jerusalem oak; jump off; juniper oil
JP: J particle; jack pine; jet propelled; jet propulsion; jigsaw puzzle; joint probability
JQ: Japanese quince
JR: jack rabbit; jackass rig; Johnny Reb; joint resolution; Jolly Roger; joy ride; jump rope
JS: jam session; Japanese spurge; Java sparrow; jet set; jet stream; jingle shell; job stick; joint stock; joss stick; Judeo Spanish; jump seat; jump shot; jump start; jump suit; junk sculpture; junk sculpture
JT: Jack tar; jack tar; Jerusalem thorn; Job's tears; jog trot; Joshua tree; Judas tree
JV: jugular vein; junior varsity
JW: Japan wax; jasper ware; Javel water; Javelle water; Jehovah's Witnesses
KA: kala azar; keynote address; kinetic art; knee action
KB: Kentucky bluegrass; ketone body; kidney bean; King's bench; kissing bug; Klein bottle; knee breeches; knuckle ball; Kodiak bear
KC: kangaroo court; key club; kilogram calorie; king cobra; king crab; king cup; King's Counsel; kingdom come; kissing cousin; kitchen cabinet; kitty cornered; Krebs cycle
KD: kissing disease; knee deep; knockdown dragout; knockout drops; knuckle dusters; Komodo dragon
KE: kinetic energy; King's English; knife edge; knight errant; Kyrie eleison
KF: key fruit; kung fu
KG: Kashmir goat; kelly green; Kendal green; kid glove; kitchen garden
KH: kilowatt hour; knee high; know how
KI: Kenilworth ivy
KJ: knee jerk; knee jerk; knuckle joint
KK: kaffee klatsch; knock knee; Kriss Kringle
KL: Kitty Litter; klieg light
KM: key money; kilogram meter; king mackerel; kitchen midden
KN: knitting needle; know nothing; Kol Nidre; kola nut
KP: Keogh plan; kick plate; king post; kitchen police; knotty pine
KR: K ration; kangaroo rat
KS: Kailyard School; key signature; keynote speech; kid stuff; kidney stone; kill shot; king size; king sized; king snake; knuckle sandwich; kok saghyz
KT: kangaroo vine; killer whale; kinetic theory; Knight Templar
LA: lactic acid; lancet arch; landscape architect; Latin alphabet; Latin American; lauric acid; lauryl alcohol; law abiding; lead acetate; lead arsenate; legal age; legionary ant; Lhasa apso; liberal arts; light adaptation; lightning arrester; Linear A; linear accelerator; linear algebra; linguistic atlas; linoleic acid; linolenic acid; liquid air; little auk; local anesthetic; locomotor ataxia; look alike; love apple; lysergic acid
LB: ladder back; lady beetle; Lag b'Omer; laid back; land bank; lap belt; largemouth bass; ledger board; lemon balm; leopard's bane; letter bomb; life belt; life buoy; lightning bug; lima bean; line breeding; Linear B; Little Bear; live bearer; London broil; loony bin; low beam; lower bound; lunate bone
LC: Labrador Current; lace curtain; lady chapel; Lady Chapel; lance corporal; landing craft; large calorie; latchkey child; Latin Church; Latin cross; lead carbonate; lead chromate; lead colic; legal cap; lesser celandine; letter carrier; level compensator; level crossing; liberty cap; lieutenant colonel; lieutenant commander; life cycle; line cut; linear combination; liquid crystal; local color; locus classicus; logic circuit; logical circuit; Lord Chancellor; Lorentz contraction; love child; loving cup; Low Church; low comedy; Lower Carboniferous; lower case; lower class; Lower Cretaceous; lower criticism; loxodromic curve; lunar caustic
LD: L dopa; Labor Day; lake dwelling; lame duck; langue d'oc; langue d'oil; lap dog; last ditch; latter day; lay day; learning disability; learning disabled; Legionnaires' disease; lie detector; line drawing; line drive; linear dependence; Little Dipper; loco disease; long distance; long distance; long division; long dozen; Lord's Day; Lord's day; louis d'or; low down
LE: lazy eye; leading edge; life expectancy; limited edition; line engraving; linear equation; liver extract; lop eared; lotus eater; luminous efficiency; luminous energy; lynx eyed
LF: laisser faire; laissez faire; laminar flow; lancet fish; landing field; lantern fish; lantern fly; Lassa fever; lay figure; leaf fat; least flycatcher; left field; left fielder; light fingered; light footed; lilac flowers; lingua franca; linguistic form; live forever; liver fluke; lizard fish; long face; Louisiana French; love feast; low frequency; luminous flux; lunatic fringe; lymph follicle
LG: land grant; landing gear; landscape gardener; Late Greek; laughing gas; lead glass; lich gate; lieutenant general; lieutenant governor; linguistic geography; lip gloss; long green; looking glass; loup garou; Low German; lych gate; lych gate; lymph gland
LH: lake herring; large hearted; last hurrah; latent heat; left hand; left handed; left hander; legal holiday; life history; light handed; light heavyweight; lonely hearts; long house; lubber's hole
LI: labor intensive; lac insect; large intestine; lead in; leaf insect; life insurance; linear independence; live in; look in; louping ill; luminous intensity; lunitidal interval; lying in
LJ: lantern jaw; lap joint; Last Judgment; laughing jackass; Leyden jar; life jacket; long johns; long jump; loose jointed; lumpy jaw
LK: lady killer; love knot; lovers' knot; loving kindness; low key; low keyed
LL: lamb's lettuce; lapis lazuli; Late Latin; lateral line; lava lava; lead line; leaf lard; leash law; ledger line; lending library; Leni Lenape; Lenni Lenape; leopard lily; life line; lily livered; live load; load line; long lived; loose leaf; loss leader; low level; lubber line; lubber's line; lynch law
LM: ladies' man; ladies' man; lady's man; land mine; large minded; last minute; law merchant; lawn mower; lead monoxide; leaf miner; leaf mold; Leo Minor; leopard moth; lese majeste; lese majesty; light meter; light minded; like minded; linear measure; linear momentum; liquid measure; long measure; Low Mass; low minded; luna moth; lunar module; lunar month
LN: lepton number; low neck; low necked; lusus naturae; lymph node; lymph nodule
LO: land office; light opera; lights out; linseed oil; lithium oxide; little owl; live oak; local option; looker on
LP: laid paper; laissez passer; lambda point; land poor; lantern pinion; latent period; lateral pass; latex paint; launch pad; launching pad; lead pencil; lead poisoning; legal pad; letter perfect; letters patent; life preserver; light pen; lily pad; limit point; line printer; linear perspective; list price; litmus paper; loading program; loblolly pine; lobster pot; lodgepole pine; logical positivism; Lombardy poplar; long playing; long purples; longleaf pine; Lord's Prayer; low pitched; low pressure; low profile; luminous paint
LQ: lamb's quarters; lamb's quarters; Louis Quatorze; Louis Quinze
LR: Labrador retriever; land reform; lap robe; lay reader; legal reserve; leveling rod; life raft; lightning rod; lip read; lip reading; living room; locker room; long range; loss ratio; low relief; low rise
LS: lady's slipper; lady's smock; lag screw; lamp shell; landing strip; lanthanide series; large scale; last straw; Last Supper; lazy Susan; leaf spot; leaf spring; least squares; lee shore; leisure suit; library science; lickety split; life size; life sized; life span; light show; light struck; light stylus; line score; line spectrum; line squall; line storm; lip service; lip synch; literary style; literature search; little slam; live steam; liver starch; livery stable; loan shark; lock step; lock stitch; loggerhead shrike; long shot; long sighted; long standing; long suffering; long suit; look see; Lord's Supper; Louis Seize; love seat; low spirited; Low Sunday; lymphatic system
LT: lacquer tree; ladies' tresses; lady's thumb; lady's tresses; lake trout; lawn tennis; lazy tongs; lead tetraethyl; lead time; leading tone; lean to; leapfrog test; leave taking; legal tender; letters testamentary; library tape; lime twig; litmus test; little theater; little toe; loan translation; lobster thermidor; locum tenens; long term; long time; long ton; Lord's Table; Louis Treize; low tension; low test; low tide; lowest terms
LU: labor union; lay up; line up; look up
LV: launch vehicle; lemon verbena; lignum vitae; linking verb
LW: lamb's wool; lancet window; lantern wheel; last word; left wing; Left Wing; light water; lily white; limited war; linsey woolsey; lithia water; live wire; living wage; living will; loan word; long winded; low water; lower world
LY: leap year; lemon yellow; light year; light year; lunar year
MA: Madison Avenue; major axis; maleic acid; malic acid; malonic acid; manual alphabet; margaric acid; martial art; May apple; mechanical advantage; mefenamic acid; mental age; merry andrew; methacrylic acid; methyl acetate; methyl alcohol; middle age; middle aged; Middle Ages; Middle America; military attache; milk adder; minimal art; modal auxiliary; mountain ash; much as; mucic acid; multiple allele; muramic acid; myristic acid
MB: Mackinaw blanket; magnetic bottle; magnetic bubble; make believe; market basket; masked ball; mason bee; master bedroom; mastiff bat; mastoid bone; matzo ball; May beetle; meadow beauty; medicine ball; membrane bone; merry bells; metallic bond; methyl bromide; methylene blue; middy blouse; milkweed butterfly; mind blowing; mind boggling; minie ball; miter box; mixed bag; molecular beam; molecular biology; monkey bread; monkey business; moon blindness; mosquito boat; moth ball; Mound Builder; mung bean; Murphy bed; muscle bound; music box; musk beaver
MC: Magellanic cloud; Magna Carta; Magna Charta; magnesium carbonate; magnetic compass; magnetic core; mail call; mail carrier; main chance; main clause; Malpighian corpuscle; Maltese cat; Maltese cross; managed currency; mandarin collar; mantis crab; manx cat; Manx cat; maraschino cherry; marble cake; mare clausum; Marine Corps; masonry cement; mast cell; mastoid cell; mea culpa; mean calorie; mercuric chloride; mercurous chloride; methyl chloride; Metonic cycle; metric centner; middle C; middle class; middle class; milk chocolate; missa cantata; Mister Charlie; mistletoe cactus; mole cricket; Molotov cocktail; monk's cloth; moot court; Morris chair; Morse code; moss campion; mother cell; motor court; mountain cat; mountain cranberry; mourning cloak; Mr. Charlie; mud cat; multiple choice; musical chairs; musical comedy; musique concrete
MD: M day; Magen David; magnetic declination; magnetic dip; mail drop; main deck; main drag; maitre d'; maitre d'hotel; major domo; man day; mandarin duck; manganese dioxide; manic depressive; Manifest Destiny; mass defect; mass deficiency; maturation division; May Day; mean deviation; mechanical drawing; medicine dance; Memorial Day; mental deficiency; Michaelmas daisy; middle distance; Middle Dutch; Midsummer Day; milky disease; mine detector; mirabile dictu; mixed drink; Mogen David; Mogen David; Mohorovicic discontinuity; Monroe Doctrine; moon dog; Mother's Day; motor drive; mountain dew; mourning dove; mouse deer; mud dauber; mule deer; Muscovy duck; muscular dystrophy; music drama; musk deer; musk duck
ME: magnetic equator; man eater; managing editor; marsh elder; mechanical engineering; medical examiner; memory engram; middle ear; Middle English; mind expanding; mind's eye; misty eyed; Modern English; moire effect; Mossbauer effect; moth eaten; mottled enamel; mud eel
MF: machine finish; magnetic field; magnetic flux; magnetic force; magnetizing force; magnetomotive force; mailed fist; mala fide; male fern; Malta fever; man Friday; meadow fescue; Mediterranean fever; mezzo forte; Mickey Finn; milk fever; mill finish; moccasin flower; molecular film; molecular formula; monkey flower; moon faced; mud flat; multiple factor; multiple fruit; muscle fiber; mutual fund
MG: machine gun; machine gun; magnifying glass; major gene; major general; mammary gland; manufactured gas; Mardi gras; marrons glaces; marsh gas; Medieval Greek; middle ground; miles gloriosus; milk glass; miniature golf; mixed grill; Modern Greek; monosodium glutamate; morning glory; mosaic gold; moss green; Mother Goose; mountain goat; Mrs. Grundy; mustard gas
MH: magnesium hydroxide; magnetic head; magnetic hysteresis; magnus hitch; man hour; Manila hemp; marsh hawk; marsh hen; meadow hen; meperidine hydrochloride; mess hall; methadone hydrochloride; metopon hydrochloride; metric hundredweight; Mexican hairless; minute hand; mobile home; mock heroic; Modern Hebrew; moral hazard; mosquito hawk; Mother Hubbard; motor home; motor hotel; mud hen; muddle headed; music hall
MI: magnetic inclination; magnetic induction; magnetic intensity; mathematical induction; Middle Irish; military intelligence; motor inn; mutual inductance; mutual insurance
MJ: Mary Jane; Mason jar; mess jacket; mint julep; miter joint; monkey jacket; mot juste; mumbo jumbo
MK: master key; mercy killing; mess kit; mineral kingdom; Mon Khmer
ML: machine language; macula lutea; Madonna lily; magic lantern; main line; major league; majority leader; Malpighian layer; malt liquor; mare liberum; mariposa lily; martial law; Marxism Leninism; mathematical logic; meat loaf; medical law; medicine lodge; Medieval Latin; membranous labyrinth; Mendel's law; mesne lord; military law; milk leg; milk livered; miner's lettuce; minor league; minority leader; missing link; Mosaic Law; motor lodge; mountain laurel; mountain lion
MM: mad money; magnetic meridian; magnetic mine; magnetic moment; Maid Marian; mailing machine; major medical; malted milk; marsh mallow; marsh marigold; Mary Magdalen; Mary Magdalene; mass medium; master mariner; master mason; materia medica; meadow mouse; meadow mushroom; mealy mouthed; medicine man; memento mori; merchant marine; meter maid; methyl methacrylate; middle management; mixed marriage; mixed media; mixed metaphor; mock moon; Montessori method; mu meson; mucous membrane; mud minnow; multiple myeloma; mutatis mutandis
MN: macadamia nut; Mach number; magic number; magnetic needle; magnetic north; maiden name; mare nostrum; mare's nest; mass noun; mass number; meadow nematode; mixed nerve; mixed number; mosquito net; mother naked; motor neuron; multiple neuritis
MO: magnesium oxide; magnum opus; maiden over; mail order; major orders; mandarin orange; marching orders; market order; medulla oblongata; mesityl oxide; microwave oven; mineral oil; minor orders; mock orange; modus operandi; money order; monoamine oxidase; mouth organ; musk ox; mustard oil
MP: Madagascar periwinkle; magnetic permeability; magnetic pickup; magnetic pole; magnetic pyrites; major party; major premise; Major Prophets; Malayo Polynesian; Manila paper; market price; marmalade plum; marrow pea; masking paper; mass produce; mass production; master plan; mastoid process; match play; match point; matilija poppy; medal play; median plane; median point; melting point; melting pot; Mercator projection; mezzo piano; military police; milk punch; mince pie; minister plenipotentiary; minor premise; Minor Prophets; miracle play; modern pentathlon; monkey pot; monkey puzzle; mons pubis; moral philosophy; morality play; Morning Prayer; moss pink; motion picture; motor pool; moving picture; mud puppy; mullein pink; mumblety peg; mustard plaster; mystery play
MR: machine readable; magnetic recording; main royalmast; majority rule; make ready; manta ray; mantle rock; Marconi rig; master race; meadow rue; melamine resin; men's room; mental retardation; messenger RNA; mezzo relievo; midland region; milk run; mill run; mind reading; minister resident; moss rose; motivational research; mountain range; multiflora rose; multiple root; multistage rocket; musk rose; muster roll
MS: machine shop; mackerel sky; magnesium sulfate; magnetic storm; magnetic susceptibility; main sequence; main stem; main street; major scale; major suit; mako shark; malt sugar; man size; man sized; manganese spar; mantis shrimp; maple sugar; maple syrup; marrow squash; mass spectrograph; master sergeant; meadow saffron; mean square; mean sun; median strip; medicine show; medullary sheath; merchant ship; mercuric sulfide; mercy seat; merit system; metallic soap; meteor shower; methane series; methylated spirit; metric system; Mexican Spanish; mezzo soprano; middle school; midnight sun; military science; milk shake; milk sickness; milk snake; milk sugar; mine sweeper; minor scale; minor suit; minstrel show; minus sign; minute steak; miter square; Mobius strip; Mohs scale; moon shell; morning sickness; morning star; mortal sin; mother superior; motion sickness; motion study; motor scooter; mountain sheep; mountain sickness; mud snake; mulligan stew; multiple sclerosis; multiple star; multiple store; muscle sugar; musical saw
MT: machine tool; machine translation; Mackinaw trout; mad tom; magnetic tape; mai tai; maidenhair tree; main topgallant; main topgallantmast; main topmast; main topsail; major term; Malpighian tube; Manchester terrier; Mantoux test; manual training; mare's tail; mariposa tulip; Martello tower; masking tape; mastic tree; Maundy Thursday; may tree; mazal tov; mazel tov; me too; meal ticket; mean time; Melba toast; mental telepathy; metric ton; middle term; miliary tuberculosis; milk tooth; miller's thumb; mineral tar; minor term; missel thrush; mistle thrush; mistle thrush; moss trooper; mother tongue; mouse tail; mud turtle; multinomial theorem; musk turtle
MU: made up; make up; mix up; mixed up; mop up
MV: Madeira vine; magnetic variation; market value; matrimony vine; mid Victorian; milk vetch; mitral valve; modus vivendi; mons veneris; motor vehicle; muscae volitantes
MW: Mae West; magnolia warbler; make work; mangel wurzel; May wine; measuring worm; Middle Welsh; Milky Way; mineral water; mineral wax; mineral wool; minimum wage; molecular weight; monkey wrench; montan wax; mother wit; mourning warbler; mud wasp
MY: main yard
NA: Native American; naval architect; news agency; nicotinic acid; nitric acid; nitrous acid; no account; nonanoic acid; NOW account; nucleic acid; numerical analysis
NB: Nansen bottle; Napier's bones; national bank; native born; navy bean; navy blue; near beer; nervous breakdown; night blind; night blindness; Nile blue; nitrogen balance; nota bene
NC: natural childbirth; Navy Cross; necessary condition; nerve cell; nerve center; New Criticism; news conference; Nicene Creed; Niger Congo; night crawler; nitrogen cycle; nolo contendere; Nootka cypress; Norman Conquest; Northern Cross; Northern Crown; nose cone; nouvelle cuisine; null character; number cruncher; numerical control
ND: Na Dene; name day; national debt; Neo Darwinism; New Deal; next door; nitrogen dioxide; normal distribution; nose dive; nose dive; Nunc Dimittis
NE: naked eye; nest egg; non Euclidean; Norwegian elkhound; nuclear emulsion; nuclear energy
NF: nail file; nail fold; national forest; natural food; negative feedback; Neo Freudian; nerve fiber; new fashioned; next friend; nitrogen fixation; no fault; no frills; Nordmann fir; Norman French; nuclear family; nuclear fission; nuclear force; nuclear fusion
NG: nanny goat; narrow gauge; National Guard; natural gas; New Greek; Nile green; nitty gritty; no go; no good; North Germanic; numbers game
NH: natural history; nebular hypothesis; New Hebrew; night heron; Nissen hut; no hit; no hitter; Northern Hemisphere; nursing home; nut house
NI: national income; nerve impulse; nine iron
NJ: New Jerusalem; New Journalism; night jasmine; Norfolk jacket; nose job
NL: Napierian logarithm; natural language; natural law; natural logarithm; Neo Lamarckism; New Latin; New Left; night latch; night letter; night light; no load; northern lights; number line
NM: narrow minded; national monument; nautical mile; Neanderthal man; new math; new mathematics; new moon; nictating membrane; nictitating membrane; Norway maple; nuclear magneton
NN: natural number; nervous Nellie; nervous Nelly; nice nelly; no no; no nonsense; north northeast; north northwest; nucleon number
NO: naked option; navel orange; neo orthodoxy; neroli oil; night owl; nihil obstat; nitric oxide; nitrous oxide; no one; no one; noblesse oblige; non obstante
NP: nail polish; namby pamby; Nansen passport; Natal plum; national park; natural philosophy; Neo Platonism; Nez Perce; niminy piminy; nit pick; no par; Nobel Prize; nodding pogonia; noise pollution; nol pros; nolle prosequi; non possumus; non prosequitur; normal pentane; North Pole; Norway pine; notary public; nuclear physics; nut pick; nut pine
NR: natural resource; nerve racking; nettle rash; news release; Norway rat; nouveau riche; nth root; nuclear reaction; nuclear reactor; nuclear resonance; nursery rhyme
NS: nail scissors; nation state; national seashore; National Socialism; natural science; natural selection; naval stores; Neo Scholasticism; nervous system; neutral spirits; neutron star; New Style; nickel silver; night school; night soil; no show; non sequitur; normal school; North Star; Northern Spy; Norway spruce; nursery school
NT: natural theology; nature trail; neap tide; negative transfer; neon tetra; net ton; New Testament; New Thought; new town; night table; no trump; non troppo; nuisance tax; numerical taxonomy
NU: nip up; non U
NV: needle valve; nominal value; nonsense verse; nouvelle vague; numerical value; nux vomica
NW: nerve wracking; New Wave; newly wed; no way; no win; nonce word
NY: navy yard; New Year
OA: oak apple; oblique angle; obtuse angle; oleic acid; op art; open admission; open air; optic axis; optical activity; optical art; order arms; oxalic acid
OB: occipital bone; off Broadway; office boy; Ohio buckeye; oil beetle; oil burner; old boy; Old Bulgarian; olive branch; opera bouffe; opera bouffe; opera buffa; ordeal bark; osso buco; overnight bag; oxyhydrogen blowpipe; oyster bed
OC: objective complement; objective correlative; obstacle course; Oedipus complex; off color; oil cake; oil color; Old Catholic; old country; open chain; open circuit; open city; open classroom; opera comique; optic chiasm; optic chiasma; oral contraceptive; organic chemistry; Orthodox Church; overseas cap; owl's claws; owl's clover; oyster crab; oyster cracker
OD: obiter dictum; objet d'art; Old Danish; Old Dutch; olive drab; one dimensional; open door; optic disk; other directed; oxeye daisy
OE: Old English; open end; open ended; open enrollment; open eyed; outer ear; Ovshinsky effect
OF: occluded front; Odd Fellow; oil field; old fashioned; old fogey; old fogy; Old French; open faced; optical fiber; Oregon fir; ostrich fern; Our Father; outing flannel
OG: oak gall; oat grass; object glass; oil gland; Old Glory; old gold; old guard; olive green; Olympian games; Olympic games; omnium gatherum; opera glasses; orchard grass; Oregon grape; organ grinder; out group; oxford gray
OH: off hour; old hand; old hat; one handed; one horse; open heart; open hearth; open house; opera hat; opera house; oral history; orange hawkweed; oxophenarsine hydrochloride
OI: Old Icelandic; Old Iranian; Old Irish; Old Italian; optical illusion
OJ: Orthodox Judaism
OK: off key; overhand knot
OL: object language; object lens; object lesson; occipital lobe; odd lot; off limits; off line; off load; old lady; old line; olfactory lobe; on line; open letter; open loop; Our Lady; out loud; ozone layer
OM: old maid; old man; old master; old moon; omega meson; one man; open marriage; open minded; open mouthed; optical maser; orange milkweed; Oregon maple; Oregon myrtle; outboard motor; Oxford movement; oxygen mask
ON: octane number; oculomotor nerve; Old Nick; Old Norse; Old Norwegian; olfactory nerve; opposite number; optic nerve; ordinal number
OO: off of; olive oil; once over; Osage orange; Otaheite orange; out of; outside of
OP: odd pinnate; odontoid process; off putting; offset printing; oil paint; oil painting; oil palm; oil pan; Old Persian; Old Portuguese; Old Provencal; Old Prussian; olla podrida; one piece; opium poppy; option play; orange pekoe; Oregon pine; organ point; Oriental poppy; orthogonal projection; orthographic projection; oxidative phosphorylation; oyster plant
OR: Occam's razor; octane rating; old rose; Old Russian; operations research; Oriental rug; ottava rima; oxblood red; oxidation reduction; oysters Rockefeller
OS: ocean sunfish; off screen; off season; off stage; oil sand; oil shale; oil slick; Old Saxon; old school; Old Spanish; old squaw; old style; Old Swedish; on stage; one shot; one sided; one step; open season; open secret; open sentence; open sesame; open shop; open stock; operating system; orange stick; ordinary seaman; original sin; osteogenic sarcoma; outer space
OT: objet trouve; oblique triangle; occupational therapy; off track; Old Testament; old time; old timer; one time; one track; orchid tree; ordeal tree; Oswego tea; owing to; oxygen tent
OU: one up; one upmanship; Osco Umbrian
OV: orbital velocity
OW: oak wilt; off white; oil well; Old Welsh; Old World; old world; one way; oval window; oyster white
OY: off year
PA: pack animal; Pallas Athena; Pallas Athene; palmitic acid; Pan American; pantothenic acid; paralysis agitans; pearl ash; pectic acid; pectoral arch; pelargonic acid; pelvic arch; penny ante; penny arcade; per annum; perchloric acid; perfective aspect; periodic acid; permanganic acid; pernicious anemia; pharaoh ant; phonetic alphabet; phosphoric acid; phosphorous acid; phthalic acid; phthalic anhydride; physical anthropology; picric acid; pis aller; Piscis Austrinus; piss ant; pitch accent; plane angle; play act; polar angle; polar axis; police action; polyhedral angle; pons asinorum; pop art; possessive adjective; potassium argon; prefect apostolic; press agency; press agent; press association; prickly ash; primary accent; Prince Albert; proper adjective; propionic acid; propyl alcohol; prosecuting attorney; Proto Algonquian; prussic acid; public access; public assistance; puff adder; pulmonary artery; pyrogallic acid; pyroligneous acid; pyrosulfuric acid; pyruvic acid
PB: paddle boat; painted bunting; pan broil; Pandora's box; panic button; paper birch; paper boy; parallel bars; parietal bone; parity bit; passed ball; passer by; Paul Bunyan; pea bean; peabody bird; peacock blue; peanut brittle; peanut butter; peat bog; penalty box; peptide bond; pereira bark; Peru balsam; Peruvian bark; petit bourgeois; petite bourgeoisie; petty bourgeois; petty bourgeois; petty bourgeoisie; phosphor bronze; phrase book; piano bar; pig bed; pigeon breast; piggy bank; pill bug; pillow block; pilot balloon; pilot bread; pilot burner; pinch bar; pineal body; pinto bean; pitch black; pitched battle; platform balance; platinum black; platinum blond; plea bargain; plotting board; plug board; plumb bob; pocket billiards; pocket borough; pocket bread; polar bear; polar body; pole bean; pontoon bridge; Pooh Bah; poor box; poor boy; pork barrel; post bellum; potassium bitartrate; potassium bromide; potato beetle; potato blight; potato bug; pounce box; pouncet box; powder blue; power brake; power broker; prairie breaker; prayer beads; prayer book; press box; prima ballerina; print bar; prisoner's base; pro busing; Procrustean bed; procrustean bed; projection booth; Prussian blue; PT boat; punch bowl; punching bag; push broom; push button
PC: pace car; Pacinian corpuscle; painted cup; painter's colic; pak choi; palisade cell; panda car; paper cutter; parhelic circle; parietal cell; parlor car; parquet circle; parti colored; pascal celery; Paschal celery; patriarchal cross; patrol car; pay cable; pea coat; Peace Corps; peaceful coexistence; penal code; per capita; per cent; per centum; per contra; percussion cap; periodical cicada; perpetual calendar; Persian cat; petty cash; phenarsazine chloride; photoelectric cell; Phrygian cap; physical chemistry; pie chart; pilot cell; pima cotton; pin curl; pina cloth; pina colada; pipe clay; pipe cleaner; pismo clam; Planck's constant; plasma cell; plaster cast; platform car; playing card; plug compatible; pocket calculator; Poland China; polar cap; polar circle; polar coordinate; police court; pollen count; polo coat; polyvinyl chloride; pony car; porte cochere; porte cochere; Portland cement; post card; post chaise; postal card; poster color; pot cheese; potassium carbonate; potassium chlorate; potassium chloride; potassium cyanide; potato chip; potter's clay; potty chair; pound cake; pousse cafe; prairie chicken; pre Christian; pre colonial; pre Columbian; Presbyterian Church; press conference; pressure cabin; pressure cooker; price cutting; primary cell; primary coil; primary color; prince charming; prince consort; printed circuit; prison camp; privileged communication; Privy Council; pro choice; probable cause; probate court; proprietary colony; provost court; prowl car; pub crawl; punch card; punched card; Purkinje cell
PD: pale dry; panel discussion; panzer division; Paris daisy; Parkinson's disease; partial derivative; partial differentiation; Patriots' Day; pay dirt; pearl danio; pearl diver; Pennsylvania Dutch; per diem; Petri dish; pile driver; pipe dream; pitch dark; plum duff; point defect; point device; Poisson distribution; police dog; polka dot; poop deck; postnasal drip; potassium dichromate; Pott's disease; power dive; power dive; power drill; prairie dog; prescription drug; present day; preventive detention; prima donna; principal diagonal; printer's devil; private detective; probability density; probability distribution; program director; promenade deck; public defender; public domain; puddle duck; pull date; pullorum disease; punch drunk; punitive damages; pure democracy; put down
PE: pale ethnology; par excellence; pearly everlasting; personal effects; personal equation; photo essay; photoelectric effect; physical education; physical examination; pidgin English; pilot engine; pinch effect; pineal eye; pocket edition; point estimate; point estimation; poison elder; political economy; pony express; population explosion; porcelain enamel; Post Exchange; postmortem examination; potential energy; potter's earth; pre eminent; pre empt; pre emption; pre emptive; pre engineered; pre establish; pre exilian; pre exilic; pre exist; president elect; primary election; private enterprise; private eye; pseudo event
PF: packing fraction; pan fish; pan fry; paratyphoid fever; parrot fever; partial fraction; pass fail; passion fruit; pathetic fallacy; pectoral fin; pelvic fin; peregrine falcon; petit four; photo finish; picket fence; pilot fish; pine finch; pinkster flower; pinxter flower; pinxter flower; pipe fitter; pita fiber; playing field; plus fours; poker face; police force; pomace fly; poor farm; pop fly; popcorn flower; popular front; porcupine fish; pore fungus; post free; potash feldspar; potter's field; pouilly fuisse; pound foolish; powder flask; prima facie; prince's feather; principal focus; prison fever; prix fixe; pro forma; proper fraction; propositional function; proud flesh; proximity fuze; puerperal fever; Purkinje fiber
PG: pampas grass; panic grass; parathyroid gland; parfait glass; Paris green; parlor game; parlor grand; parotid gland; pea green; pearl gray; pectoral girdle; pelvic girdle; Pennsylvania German; persona grata; physical geography; piece goods; pineal gland; pistachio green; pistol grip; pituitary gland; plane geometry; plate glass; pocket gopher; poison gas; polyethylene glycol; postmaster general; poverty grass; press gang; pressure gauge; pressure group; producer gas; producer goods; producers' goods; projective geometry; propylene glycol; prosthetic group; Proto Germanic; proving ground; provost guard; putting green; Pythian games
PH: packing house; Pan Hellenic; Panama hat; pear haw; Pearl Harbor; pest house; piano hinge; pigeon hawk; pinch hit; pith helmet; planetesimal hypothesis; plant hormone; plug hat; plumber's helper; poison hemlock; pole horse; possum haw; potassium hydroxide; powder horn; prickly heat; procaine hydrochloride; pruning hook; public health; public house; Purple Heart
PI: pack ice; passive immunity; percussion instrument; pig iron; Plains Indian; plenary indulgence; plug in; poison ivy; potassium iodide; price index; printing ink; private investigator; programmed instruction
PJ: pancreatic juice; pea jacket; petit juror; petit jury; petroleum jelly; petty juror; petty jury; pinon jay; pinyon jay; pinyon jay; poetic justice; pole jump; practical joke; Prester John; prop jet
PK: palette knife; paring knife; peace keeping; pedal keyboard; place kick; powder keg
PL: pace lap; painted lady; pancake landing; Panchen Lama; parietal lobe; parking lot; Parkinson's Law; parliamentary law; party line; paschal lamb; patent leather; patent log; peg leg; periodic law; Persian lamb; petit larceny; petty larceny; petty larceny; Philadelphia lawyer; picket line; pig Latin; pig lead; pillow lace; pilot lamp; pilot light; pink lady; plain laid; plant louse; plantain lily; plot line; plumb line; poet laureate; poetic license; point lace; pole lamp; pond lily; Pont l'Eveque; poor law; poverty level; prefrontal lobotomy; private law; pro life; Promised Land; public law; public library; punch line; puppy love; purple loosestrife
PM: pall mall; paper money; paper mulberry; papier mache; pari mutuel; parking meter; past master; patent medicine; pearl millet; peat moss; pectoral muscle; Peking man; pell mell; pepper mill; permanent magnet; perpetual motion; Persian melon; petit mal; petite marmite; phase microscope; phase modulation; Philippine mahogany; physical medicine; pi meson; pia mater; Piltdown man; pin money; pine mouse; place mat; placer mining; plainclothes man; plasma membrane; Plimsoll mark; pocket money; pocket mouse; point man; polarizing microscope; polyphemus moth; Pontifical Mass; post meridiem; postage meter; pot marigold; pot marjoram; potash muriate; potassium muriate; poulter's measure; powder metallurgy; powdery mildew; power mower; prayer meeting; praying mantis; prime meridian; prime minister; prime mover; primum mobile; printed matter; private member; program music; provost marshal; psychological moment; pulse modulation; punctuation mark; purple martin
PN: paper nautilus; parson's nose; passing note; pearly nautilus; pen name; perfect number; petticoat narcissus; pince nez; pine needle; pine nut; planetary nebula; pneumogastric nerve; polar nucleus; polyanthus narcissus; pope's nose; potassium nitrate; practical nurse; predicate nominative; prelate nullius; prime number; promissory note; prompt note; proper noun; pug nose
PO: palm oil; parking orbit; patent office; peace offering; peace officer; peanut oil; pearl oyster; pecking order; petty officer; photo offset; pin oak; Pindaric ode; pineal organ; pipe organ; play off; poison oak; police officer; post obit; post office; postal order; prairie oyster; print out; printing office; psych out; pull on; punch out; put on
PP: pain principle; pair production; palisade parenchyma; palmyra palm; Pandean pipes; parcel post; pari passu; parti pris; partial pressure; partridge pea; party pooper; passe partout; passenger pigeon; Passion play; past participle; past perfect; patch pocket; peace pipe; pedal piano; pedal point; pedal pushers; pen pal; pen point; pencil pusher; penny pinch; penny pincher; People's Party; pep pill; pepper pot; perfect participle; perfect pitch; permanent press; personal pronoun; personal property; Peter pence; Peter Principle; Peter's pence; petit point; petitio principii; photogelatin process; picture puzzle; pied piper; pigeon pea; pike perch; Ping Pong; pirate perch; pitch pine; pitch pipe; pitcher plant; pitter patter; Plain People; Planned Parenthood; planter's punch; plate proof; player piano; pleasure principle; plum pudding; police power; polyconic projection; pom pom; ponderosa pine; pooh pooh; Populist Party; position paper; positive prescription; possessive pronoun; potassium permanganate; pour point; powder puff; power pack; power plant; power play; power politics; prepositional phrase; present participle; present perfect; pressure point; prickly pear; prickly poppy; primrose path; prince's pine; principal parts; printing press; private parts; process printing; Progressive Party; Prohibition Party; prose poem; ptomaine poisoning; public prosecutor; puff pastry; Pulitzer Prize; punch press; purchasing power; pursuit plane; put put
PQ: previous question
PR: pack rat; Panama Red; Para rubber; parhelic ring; passive resistance; passive restraint; patent right; People's Republic; perfect rhyme; phase rule; phenolic resin; phosphate rock; photo realism; pink root; piston ring; piston rod; pleurisy root; plumb rule; Plymouth Rock; Polar Regions; police reporter; Pompeian red; poste restante; pot roast; powder room; pre Raphaelite; press release; prime rate; prince regent; princess royal; prize ring; pro rata; projection room; prop root; proportional representation; public relations; punk rock; punk rocker
PS: PA system; package store; palm sugar; Palm Sunday; panic stricken; panic struck; Pap smear; parachute spinnaker; paraffin series; parochial school; part song; pas seul; Passion Sunday; patron saint; patty shell; pattypan squash; pay station; pea soup; peace sign; pectoral sandpiper; peep sight; pentatonic scale; pentobarbital sodium; per se; perfect square; Petrarchan sonnet; philosopher's stone; philosophers' stone; physical science; physiological saline; Pierian Spring; pine siskin; pinking shears; pip squeak; pit stop; place setting; plain sailing; plank sheer; plastic surgery; platform scale; platoon sergeant; plow steel; plumber's snake; plus sign; pocket sized; pogo stick; point system; poison sumac; polar star; police state; police station; political science; polo shirt; pond scum; Port Salut; porterhouse steak; postage stamp; postal service; posthypnotic suggestion; pot shot; potassium sulfate; potbellied stove; potbelly stove; pound scots; pound sterling; poverty stricken; power series; power shovel; power station; power steering; power structure; pragmatic sanction; prairie schooner; prayer shawl; precious stone; preferential shop; preferred stock; prep school; preparatory school; press secretary; pressure suit; primary school; private school; profit sharing; profit system; proof sheet; proof spirit; proton synchrotron; provost sergeant; Ptolemaic system; public sale; public school; public servant; public service; public speaking; public spirited; pudding stone; pugil stick; pumped storage; purl stitch; purple salt; purse seine; purse strings
PT: pack train; panel truck; Pap test; Papanicolaou's test; paper thin; paper tiger; paper train; Paraguay tea; Parsons table; part time; partial tone; past tense; Pasteur treatment; patch test; paternity test; pawn ticket; pay television; pay toilet; pay TV; peeping Tom; pep talk; pepper tree; periodic table; permanent tooth; physical therapy; pickup truck; pigeon toed; pine tar; Pitot tube; plane table; plane tree; planer tree; plate tectonics; plotting table; plum tomato; poll tax; pollen tube; pool table; pop top; post time; power train; practice teaching; present tense; previous to; price tag; prime time; pro tem; pro tempore; probability theory; projective test; property tax; public television; punch tape; pup tent; Pythagorean theorem
PU: paste up; pent up; plug ugly; pop up; public utility; puffed up; pull up; punch up; put up
PV: par value; Parma violet; pine vole; pipe vine; pit viper; pocket veto; pole vault; pole vault; pons varolii; poppet valve; portal vein; preferential voting; proces verbal; pulmonary vein; Pyrrhic victory
PW: paddle wheel; paddy wagon; palsy walsy; paper wasp; paraffin wax; party wall; Passion Week; patrol wagon; penny wise; permanent wave; picture window; pileated woodpecker; pilot whale; pine warbler; pineapple weed; pipe wrench; pistol whip; plain weave; planet wheel; poor white; pop wine; portmanteau word; potter wasp; potter's wheel; prayer wheel; price war; print wheel; prize winner; prize winning; prothonotary warbler; public works; puncture weed; pussy willow
PY: perfect year
PZ: petting zoo
QA: qualitative analysis; quantitative analysis; Queen Anne; quick assets
QB: Queen's Bench; quick bread
QC: quality control; quantum chromodynamics; queen consort; queen cup; Queen's Counsel
QD: quarter day; quarter deck
QE: quadratic equation; quantum electrodynamics
QF: Q fever; quadratic formula; quantum fluid; quick freeze
QG: quack grass; Quaker gun; quantitative gene; quartz glass; quick grass; quitch grass
QH: quarter horse; quarter hour; quarter hour; quinacrine hydrochloride
QJ: quantum jump
QL: Quaker ladies; quantum liquid; quartz lamp; quiche Lorraine
QM: quantum mechanics; queen mother; question mark; quotation mark
QN: quantum number; quarter note
QO: queen olive
QP: quarter phase; queen post
QR: queen regnant
QS: quantum state; quarter section; quarter sessions; queen size; quinnat salmon; quiz show
QT: quantum theory; queen truss; quick tempered; quick time
QV: qui vive
QW: quick witted; quinine water
RA: racemic acid; radar astronomy; radio astronomy; random access; rara avis; rear admiral; red algae; reducing agent; reflex angle; reflex arc; regular army; rejective art; repurchase agreement; res adjudicata; res adjudicata; rheumatoid arthritis; ribonucleic acid; ricinoleic acid; right angle; right angled; right ascension; right away; Riot Act; road agent; rocker arm; Roman alphabet; rose acacia; rue anemone; run around
RB: radar beacon; radio beacon; radio beam; receiving blanket; red blooded; reserve bank; river basin; robber baron; robot bomb; rock bass; rock bottom; rock bound; roll bar; roller bearing; root beer; rose beetle; rotten borough; rough breathing; rove beetle; royal blue; rubber band; running board; rye bread
RC: radio compass; rain check; rainbow cactus; rat cheese; razor clam; re cede; re cession; re claim; re collect; re count; re cover; re create; rectangular coordinate; red carpet; red cedar; red cent; red clover; Red Cross; reflex camera; reinforced concrete; relative clause; remote control; rent control; report card; resin canal; resonant circuit; resting cell; Revolutionary calendar; rib cage; rip current; roach clip; Robinson Crusoe; rock candy; rock crystal; rocker cam; rocking chair; roll call; roller coaster; Roman calendar; Roman candle; Roman Catholic; Roman Catholicism; root canal; root cap; root cellar; rose campion; rose chafer; rose colored; round clam; rubber check; rush candle
RD: radioactive decay; radiocarbon dating; rain date; rainy day; raison d'etre; raw deal; razzle dazzle; recombinant DNA; recurring decimal; red deer; red dog; red drum; reduction division; repeating decimal; reverse discrimination; rinky dink; rock dove; roe deer; Rogation Day; round dance; ruddy duck; run down; Russian dressing
RE: rabbit ears; radial engine; radiant energy; radical expression; Raman effect; rare earth; re echo; re educate; re elect; re enforce; re enter; re entrant; re entry; re examine; reaction engine; real estate; reciprocating engine; rest energy; rib eye; ripple effect; rocket engine; rotary engine
RF: R factor; rabbit fever; racing form; radiant flux; radio frequency; rail fence; railroad flat; rain forest; range finder; rapid fire; rational function; rattlesnake flag; ray flower; re form; re fund; recurrent fever; red fir; red fire; red fox; relapsing fever; repeating firearm; resurrection fern; Rh factor; rheumatic fever; rheumatoid factor; right face; right field; right fielder; ring finger; robber fly; rock flour; roll film; roman fleuve; rose fever; royal fern; royal flush
RG: radio galaxy; rain gage; rain gauge; rear guard; Red Guard; red gum; redeye gravy; regulator gene; res gestae; rescue grass; Riemannian geometry; RK galaxy; Robin Goodfellow; rock garden; rogues' gallery; roof garden; rose geranium; Rube Goldberg; ruffed grouse; running gear; rye grass
RH: Rabbinic Hebrew; ram's horn; ranch house; red handed; red heat; red herring; red hot; relative humidity; rest home; riding habit; right hand; right handed; river horse; road hog; Robin Hood; rock hound; rocking horse; Roman holiday; rooming house; root hair; Rosh Hashanah; rotary harrow; round hand; row house; running hand; running head; rush hour
RI: Red Indian; red ink; refractive index; run in
RJ: re join; Reform Judaism; res judicata; royal jelly
RK: reef knot; root knot; running knot
RL: receiving line; red lead; red letter; red light; rhumb line; rock lobster; Roman law; ruby laser; running light
RM: ranch mink; rattlesnake master; raw material; ready made; rearview mirror; red maple; red mulberry; red mullet; reed mace; registered mail; reindeer moss; relief map; remittance man; Renaissance man; rescue mission; rest mass; rhesus monkey; Rhodesian man; rhythm method; right minded; rigor mortis; road metal; roche moutonnee; rock maple; rocket motor; role model; rolling mill; rose mallow; rose moss; running mate
RN: rational number; real number; registered nurse; Rh negative; Ring Nebula; Roman nose; Roman numeral
RO: rake off; read out; red ocher; red osier; reed organ; regardless of; residual oil; retained object; right off; right on; rip off; riyal omani; rock oil; rosin oil; run off; run on; Russian olive
RP: rabbit punch; rag picker; rattlesnake plantain; reality principle; Received Pronunciation; reciprocal pronoun; red pencil; red pepper; red pine; Red Poll; red puccoon; reed pipe; regius professor; relative permittivity; relative pitch; relative pronoun; relief pitcher; reproduction proof; Republican Party; res publica; respiratory pigment; resurrection plant; Rh positive; rice paper; Robin's plantain; robot pilot; Rochelle powder; role play; rolling pin; roly poly; rosary pea; rose pink; rotary plow; rotary press; royal palm; royal poinciana; royal purple; rubber plant
RQ: rhetorical question; rose quartz
RR: rabble rouser; race riot; rack railway; rack rent; ragged robin; rat race; rattlesnake root; recovery room; relay race; rest room; Rhaeto Romance; Rhaeto Romanic; Rhodesian ridgeback; rib roast; ribosomal RNA; Richard Roe; rime riche; rip roaring; rip roarious; riparian right; rob roy; rock ribbed; Roentgen ray; round robin; rumpus room; rural route; Russian roulette
RS: radial symmetry; radiation sickness; radical sign; radio spectrum; radioactive series; rail splitter; Rankine scale; rap session; rap sheet; raree show; rat snake; raw sienna; raw silk; Rayleigh scattering; re sign; red salmon; red shift; red snapper; red spider; red squill; red squirrel; reed stop; reform school; rejection slip; rent strike; respiratory system; Reye's syndrome; Rhodes scholar; rhyme scheme; ribbon snake; Richter scale; Ringer solution; Ringer's solution; road show; Rochelle salt; rock salt; roller skate; roller skate; rolling stock; rood screen; Rosetta stone; rotor ship; round shouldered; round steak; Rous sarcoma; rubber stamp; rubber stamp; ruled surface; rumble seat; rummage sale; runcible spoon; running start; running stitch; Rutherford scattering
RT: radar telescope; radial tire; radio telescope; radium therapy; rainbow trout; rapid transit; rat tail; re tread; reaction time; real time; red tape; red tide; refectory table; reflecting telescope; refracting telescope; relative to; relaxation time; released time; right triangle; ring tailed; rip tide; road test; Rolle's theorem; rope tow; Rorschach test; rotary tiller; Round Table; round trip; rubber tree; run through; running title; Russian thistle
RT: run up; runner up
RV: R value; radius vector; random variable; recreational vehicle; Revised Version; rift valley; Rig Veda
RW: radio wave; rain wash; random walk; rattlesnake weed; Revolutionary War; Rhine wine; ribbon worm; rice weevil; right whale; right wing; rose water; rose window; running water; Russian wolfhound
RY: regular year
SA: sable antelope; saccharic acid; sal ammoniac; salicylic acid; Salvation Army; save all; savings account; scaly anteater; school age; sea anchor; sea anemone; seaman apprentice; sebacic acid; Second Advent; selenic acid; selenious acid; selenous acid; self abandoned; self abasement; self abnegation; self abuse; self acting; self actualize; self addressed; self aggrandizement; self analysis; self annihilation; self appointed; self asserting; self assertion; self assured; self aware; serum albumin; sex appeal; shalom aleichem; sheet anchor; shock absorber; short account; sialic acid; side arm; sidewalk artist; silicic acid; silver age; sing along; skew arch; small arm; smart aleck; snow apple; soda ash; solid angle; sorbic acid; Spanish American; spark arrester; special act; spectroscopic analysis; spherical aberration; spherical angle; spherical astronomy; spinal anesthesia; spiny anteater; staging area; stand alone; standing army; star anise; star apple; State attorney; State's attorney; stearic acid; stiff arm; still alarm; Stone Age; straight angle; straight arm; straight arrow; straight away; street Arab; strong arm; studio apartment; subclavian artery; suberic acid; successive approximation; succinic acid; sugar apple; sulfonic acid; sulfuric acid; sulfurous acid; supplementary angle; surface active; suspended animation; suspense account; sweet alyssum; symbolic address; systems analysis
SB: saddle blanket; Saint Bernard; salad bar; sand blind; sandwich board; sauce bearnaise; savings bank; savings bond; school bag; school board; school bus; screw bean; sea bass; sea bird; sea biscuit; sea bread; sea bream; sea breeze; sea butterfly; seat belt; second base; second baseman; second best; second best; secondary battery; secret ballot; secretary bird; security blanket; semilunar bone; sentry box; service break; set back; sexton beetle; shea butter; sheet bend; shell bean; ship biscuit; shopping bag; shore bird; shoulder bag; shoulder belt; shoulder blade; show bill; show biz; show business; shower bath; silent butler; silver bromide; single blind; single breasted; singles bar; sissy bar; sitz bath; ski boot; Skinner box; sky blue; slack baked; slam bang; slate black; slate blue; sleeping bag; slice bar; sloth bear; slow burn; small beer; smallmouth bass; smart bomb; smooth breathing; snack bar; snap bean; snap brim; snapping beetle; snatch block; snout beetle; snow blindness; snow bunting; soap bubble; soda biscuit; sodium benzoate; sodium bicarbonate; sodium borate; sofa bed; soft boiled; solar battery; sonic barrier; sonic boom; soul brother; sound barrier; sound box; sounding board; source book; sow bug; space biology; Spanish bayonet; spelling bee; sphenoid bone; spiral binding; spiritual bouquet; splint bone; sponge bath; spoon bread; spring beauty; spruce beer; square bracket; squash bug; St. Bernard; stag beetle; standard bearer; station break; steam bath; steam beer; steam boiler; steel band; steel blue; stirrup bone; stone blind; stone broke; storage battery; store bought; stork's bill; straining beam; straw boss; strawberry bass; strawberry blite; strawberry bush; stretcher bearer; string bass; string bean; striped bass; stuffing box; stumbling block; stunt box; style book; sugar beet; sugar bush; sulfur bacterium; sulphur bottom; sulphur butterfly; summum bonum; sun bittern; super band; Supreme Being; suspension bridge; swage block; swamp boat; sweet basil; sweet bay; swell box; swim bladder; swing by; sword bayonet
SC: Sacred College; sacred cow; safe conduct; safety circuit; sailor's choice; sales check; salt cake; sampling circuit; sand cast; sand crack; sans culotte; Santa Claus; school committee; Schwann cell; scintillation counter; screw cap; sea captain; sea change; sea coconut; sea cow; sea cradle; sea crayfish; sea cucumber; second childhood; second class; second class; Second Coming; secondary cell; secondary color; Security Council; seed cake; seed coat; segmentation cavity; selenium cell; self centered; self colored; self command; self complacent; self conception; self concern; self confessed; self confidence; self conscious; self contained; self content; self contradiction; self control; self correcting; self critical; selling climax; semicircular canal; senatorial courtesy; senior citizen; Serbo Croatian; series circuit; service cap; service charge; set chisel; sewing circle; sex cell; sex chromosome; shadow cabinet; shaggy cap; shatter cone; shift character; ship canal; shipping clerk; shopping center; short circuit; short circuit; short covering; short cut; Siamese cat; sick call; sickle cell; silicon carbide; silk cotton; silver certificate; silver chloride; silver cord; simply connected; sine curve; single combat; situation comedy; skunk cabbage; sleeping car; sleeve coupling; slot car; small calorie; small capital; small change; smoking car; snake charmer; so called; social climber; social contract; soda cracker; sodium carbonate; sodium chlorate; sodium chloride; sodium cyanide; sodium cyclamate; soft clam; soft coal; soft core; solar cell; solar constant; solitary confinement; somatic cell; sound camera; sour cherry; sour cream; Southern Cross; Southern Crown; space capsule; space charge; Spanish cedar; Spanish chestnut; spark chamber; spark coil; speech community; spermatic cord; spider crab; spinal canal; spinal column; spinal cord; spit curl; sponge cake; spontaneous combustion; spore case; sporting chance; sports car; spot check; spot check; spotted cranesbill; spring chicken; spring cleaning; squad car; squamous cell; squirrel corn; squirting cucumber; stadium coat; standard candle; standing crop; stannic chloride; star chamber; Star Chamber; steam chest; steering committee; stem cell; stern chaser; Stilton cheese; stinging cell; stinking chamomile; stir crazy; stirrup cup; stock car; stock certificate; stock company; stocking cap; stone cell; storage cell; store cheese; storm cellar; storm center; straight chain; strip cropping; studio couch; submarine chaser; subordinate clause; subordinate conjunction; subsidiary company; sugar cane; sugar coat; sugar corn; sugar cured; sulfuryl chloride; summer cypress; summit conference; superior conjunction; superior court; superiority complex; supreme court; sursum corda; survey course; swaddling clothes; sweet cherry; sweet chocolate; sweet cicely; sweet cider; sweet clover; sweet corn; Swiss chard; Swiss cheese; swivel chair; sword cane; synaptinemal complex; synaptonemal complex
SD: saint's day; salad days; sampling distribution; sand dab; sand dollar; school district; Scottish deerhound; scuba diver; Scytho Dravidian; sea dog; sea duck; sea duty; self deceit; self deceived; self deceiving; self deception; self defeating; self defense; self denial; self deprecating; self deprecatory; self depreciation; self destruct; self destruction; self destructive; self determination; self development; self devotion; self digestion; self directed; self discipline; self discovery; self distrust; self doubt; self driven; senatorial district; senile dementia; sense datum; sensory deprivation; shadow dance; Shasta daisy; she devil; shed dormer; sheep dip; sheep dog; shepherd dog; short division; shouting distance; shuttle diplomacy; side dish; side drum; sidereal day; sight draft; significant digits; silicon dioxide; sine die; sit down; sitting duck; skin deep; skin dive; skin diving; skin drag; skinny dip; skip distance; slave driver; slipped disk; smack dab; smoke detector; snake dance; snare drum; Soapbox Derby; social disease; sodium dichromate; soft drink; soft drug; soi disant; solar day; special delivery; square dance; square dance; standard deviation; static dump; step dance; step down; stock dove; stone deaf; storm door; stuffed derma; succes d'estime; sudden death; sugar daddy; sulfa drug; sulfur dioxide; sun dance; sun deck; sun disk; swan dive; swan's down; sword dance; swung dash; synthetic division
SE: sand eel; sanitary engineer; school edition; scientific empiricism; scrambled eggs; screw eye; sea eagle; sea elephant; Second Empire; secondary electron; secondary emission; Section Eight; Seeing Eye; self educated; self effacing; self elected; self employed; self enforcing; self enrichment; self esteem; self evident; self examination; self exile; self explanatory; self expression; sharp eyed; sheep's eyes; side effect; simple equation; single entry; situation ethics; skin effect; slippery elm; sloe eyed; sound effects; sound effects; special effects; spherical excess; spread eagle; squamous epithelium; squint eyed; starry eyed; state's evidence; State's evidence; static electricity; steam engine; steel engraving; stock exchange
SF: sacrifice fly; sand flea; sand fly; sandfly fever; sang froid; savoir faire; scarlet fever; sci fi; science fiction; scire facias; scorpion fish; scorpion fly; scot free; screwworm fly; sea fan; sea feather; sea front; second fiddle; self fertilization; self flagellation; self forgetful; self fulfilling; self fulfillment; sergeant fish; ship fever; short fuse; shortened form; sickle feather; sigmoid flexure; silver fox; simple fraction; simple fruit; single file; single foot; sinking fund; Sinn Fein; skew field; skid fin; skin flick; skin friction; slime fungus; slow footed; slush fund; small fry; snail fever; snake fence; snow fence; soda fountain; soft finned; sol fa; solar flare; solar furnace; sonata form; soul food; space flight; Spanish fly; Special Forces; speed freak; spermatic fluid; spinning frame; spiny finned; spoon fed; spotted fever; spring fever; stage fright; staghorn fern; stall feed; stannous fluoride; star facet; stationary front; stick figure; stir fry; stone fruit; straight face; strewn field; strong force; structural formula; succes fou; sunk fence; superhigh frequency; sure fire; sure footed; swamp fever; sweet fern; sweet flag; syrphus fly
SG: safety glass; sage grouse; salivary gland; salt grass; sampling gate; sand grouse; saw grass; scatter gun; scent gland; Scottish Gaelic; scurvy grass; scutch grass; sea gooseberry; sea grape; sea green; sea gull; sebaceous gland; second generation; second growth; second guess; secretary general; section gang; security guard; self given; self giving; self governed; self governing; self government; self gratification; serum globulin; sex gland; Seyfert galaxy; shatterproof glass; sheet glass; shell game; shooting gallery; shoulder girdle; side glance; sight gag; silica gel; six gun; skin game; skin graft; skin grafting; sloe gin; smoking gun; snow goose; sodium glutamate; soft goods; solicitor general; solid geometry; soluble glass; sooty grouse; sour gum; spark gap; spark generator; specific gravity; spherical geometry; spiral galaxy; spontaneous generation; spray gun; spun glass; spur gear; squirt gun; stained glass; stamping ground; standard gauge; star grass; States General; steel guitar; steering gear; stone ground; strain gauge; structural gene; submachine gun; sui generis; sun god; suprarenal gland; Surgeon General; sweat gland; sweet gale; sweet gum; Swiss guards; sword grass; symmetric group; synthesis gas
SH: sacrifice hit; saddle horse; salt hay; sand hopper; scrap heap; scratch hit; sea holly; sea horse; second hand; section hand; self hardening; self heal; self help; self hypnosis; seventh heaven; sex hormone; shire horse; short hundredweight; shoulder harness; shovel hat; Siberian husky; sick headache; sidereal hour; silk hat; simple honors; single handed; single hearted; sky high; slouch hat; small hours; sodium hydrosulfite; sodium hydroxide; sodium hypochlorite; sodium hyposulfite; soft hail; solar house; soldiers' home; Southern Hemisphere; sparrow hawk; special handling; specific heat; spike heel; stacked heel; stalking horse; State House; state house; station house; steak house; steam heating; stiletto heel; still hunt; still hunt; strangle hold; straw hat; study hall; swelled head; switch hitter; swivel hipped
SI: safety island; scale insect; Scotch Irish; self identification; self identity; self image; self immolation; self importance; self imposed; self improvement; self inclusive; self incrimination; self induced; self induction; self indulgence; self inflicted; self instructed; self instructional; self insurance; self interest; self involved; semi independent; semi infinite; shelf ice; shoo in; shooting iron; shut in; side issue; silver iodide; simple interest; sit in; sleep in; small intestine; specific impulse; spitting image; spittle insect; split infinitive; stand in; standoff insulator; steam iron; step in; stick insect; stringed instrument; strong interaction; swimmer's itch; sympathetic ink
SJ: screw jack; self justifying; shell jacket; ski jump; sloppy joe; smoking jacket; snow job; soda jerk; special jury; spinning jenny; St. Johnswort; struck jury; sub judice; sui juris
SK: scissors kick; sea kale; sea king; self knowledge; sheath knife; sheep ked; shish kebab; single knot; skeleton key; soul kiss; soup kitchen; square knot; squib kick; steak knife; sterson knee; stevedore knot; stevedore's knot; surfer's knee; surfer's knobs; surfer's knot; surgeon's knot; switch knife; switchblade knife
SL: safety lamp; Salic law; sally lunn; salt lick; sand lance; sand lily; sanitary landfill; saw log; scalp lock; scratch line; sea lamprey; sea lane; sea lavender; sea legs; sea lettuce; sea level; sea lily; sea lion; second lieutenant; seed leaf; sego lily; self limiting; self liquidating; self loading; self love; service line; sex linkage; sex linked; Shangri la; shear legs; sheep laurel; sheet lightning; shelf life; shield law; short lived; sick leave; sick list; sign language; significance level; Simon Legree; skew lines; ski lift; snow leopard; snow lily; snow line; so long; soda lime; soft land; soft landing; soft liner; sounding lead; sounding line; southern lights; space lattice; spectral line; speed limit; spider lily; spike lavender; spiny lobster; spirit lamp; spirit level; split level; spring lock; spurge laurel; squall line; statute law; still life; stirrup leather; stone lily; story line; straight leg; straight line; strait laced; strand line; strobe light; sucking louse; sugar loaf; sun lamp; surveyor's level; suspensory ligament; swash letter; symbolic language; symbolic logic; synchronic linguistics
SM: safety match; salt marsh; sanding machine; sandwich man; sarcoptic mange; scale moss; scattering matrix; scientific method; sea maid; sea maiden; sea mew; sea mile; sea milkwort; sea mouse; second mortgage; secondstory man; seed money; self made; self mailer; self mastery; sergeant major; serous membrane; service mark; sewing machine; shaggy mane; sheet music; ship money; shopping mall; shotgun marriage; shrew mole; sidereal month; sign manual; simple machine; simple microscope; simple minded; single minded; ski mask; skim milk; sky marshal; slime mold; slot machine; slow match; slow motion; small minded; smart money; smooth muscle; so many; so much; socialized medicine; solar month; sooty mold; soul mate; soul music; sour mash; space medicine; Spanish mackerel; Spanish moss; spending money; sphinx moth; spider monkey; spinal meningitis; sponge mushroom; sports medicine; square matrix; square measure; squaw man; squirrel monkey; stage manage; stamp mill; static memory; statute mile; stock market; stone marten; stone mint; straight man; straw man; strawberry mark; striated muscle; strip mine; striped maple; strong minded; struck measure; subject matter; sugar maple; swap meet; Swedish massage; sweet marjoram; symmetric matrix; synchronous motor; synodic month
SN: safety net; saga novel; Saint Nicholas; Saint Nick; sanitary napkin; sciatic nerve; scientific notation; second nature; serial number; shovel nosed; silver nitrate; sinoatrial node; sixteenth note; slow neutron; snub nosed; soda niter; sodium nitrate; souari nut; span new; Spanish needles; stiff necked; stub nail
SO: salad oil; sawed off; scandium oxide; screech owl; sea oats; sea onion; sea otter; secondary offering; seed oyster; self observation; self opinion; self opinionated; self ordained; sense organ; shale oil; she oak; shoot out; short order; sick out; silk oak; simply ordered; slip on; snake oil; soap opera; sold out; spaced out; Spanish omelet; Spanish onion; sperm oil; spin off; stand off; stand oil; stationary orbit; statutory offense; stop order; straight off; straight out; stretch out; strung out; sugar orchard; sugaring off; symphony orchestra; synchronous orbit
SP: safety pin; sagittal plane; sago palm; sally port; sand painting; saw palmetto; scalar product; scarlet pimpernel; scatter pin; screw pine; screw propeller; scrub pine; sea pen; sea power; sea purse; Seckel pear; second person; secret partner; secret police; seed pearl; seed plant; Seidlitz powder; Seidlitz powders; self perception; self perpetuating; self pity; self poised; self pollination; self portrait; self possession; self preservation; self proclaimed; self propelled; self protective; self purification; selling point; sense perception; sensitive plant; septum pellucidum; set piece; severance pay; shadow play; shaking palsy; shell pink; shepherd's pie; shepherd's purse; Shetland pony; ship's papers; Shirley poppy; shoofly pie; shore patrol; shortleaf pine; shot put; shoulder patch; show place; shrimp plant; shrink package; shrink package; sic passim; sick pay; Siege Perilous; silent partner; silver perch; silver plate; silver protein; simon pure; simple pendulum; single phase; singular point; sinusoidal projection; six pack; skin pop; sky pilot; slash pine; sleeping pill; slo pitch; slo pitch; slow pitch; slumber party; small potatoes; smarty pants; smokeless powder; smudge pot; snail paced; snake pit; snake plant; sneak preview; snow pellets; snow plant; soap plant; socialist party; soda pop; sodium perborate; sodium peroxide; sodium phosphate; sodium propionate; soft palate; soft paste; soft paste; soft pedal; soft pedal; soil pipe; solar panel; solar plexus; solid propellant; Solvay process; sound pollution; South Pole; space probe; Spanish paprika; spark plug; sparking plug; sparring partner; spastic paralysis; special pleading; specific performance; spherical polygon; spinous process; split personality; spot price; spring peeper; springform pan; spruce pine; squeeze play; state prison; staying power; stencil paper; sticking plaster; sticking point; stomach pump; stool pigeon; stop payment; storm petrel; stormy petrel; strange particle; stride piano; striking price; strip poker; stud poker; stunt person; styptic pencil; suction pump; sugar pine; superior planet; surface plate; suspension points; sustaining program; sweat pants; sweet pea; sweet pepper; sweet pepperbush; sweet potato; swimming pool; symphonic poem
SQ: smoky quartz; status quo; string quartet
SR: saber rattling; saddle roof; safety razor; salt rheum; scarlet runner; scatter rug; Schiff's reagent; Schwarzschild radius; Scottish rite; scouring rush; sea raven; sea robin; sea room; seal ring; seaman recruit; second rate; self realization; self recording; self recrimination; self reflection; self regard; self regulating; self reliance; self replicating; self reproach; self respect; self restraint; self revelation; self righteous; self righting; self rule; shift register; ship rigged; short rib; show room; sight read; sight rhyme; signet ring; sitting room; ski run; skid road; skid row; slide rule; slip ring; slot racing; smoking room; snap roll; snowshoe rabbit; social register; socialist realism; soft rock; soft roe; sound ranging; sounding rocket; Spanish rice; special relativity; specific resistance; speed read; speed reading; spiny rayed; spirit rapping; split rail; sponge rubber; spring roll; Springfield rifle; sprung rhythm; squad room; square rig; square rigger; square root; standing room; State rights; States' rights; static routine; steam radio; steamer rug; stem rust; step rocket; straight razor; strawberry roan; stretch receptor; strong room; sub rosa; sub rosa; synchrotron radiation; SS; sad sack; saddle shoe; saddle soap; saddle sore; saddle stitch; sal soda; Salisbury steak; sanctum sanctorum; sans serif; satellite station; satin stitch; saw set; say so; scandal sheet; scarlet sage; scatter site; scene stealer; Schmidt system; scratch sheet; scroll saw; Sea Scout; sea serpent; sea slug; sea snake; sea spider; sea squirt; second sight; second strike; second string; secondary school; secret service; seed stock; selective service; self sacrifice; self satisfaction; self sealing; self seeking; self selection; self service; self serving; self slaughter; self starter; self study; self styled; self support; self sustaining; Seneca snakeroot; sentence stress; serpent star; serum sickness; service station; Seven Seas; seven seas; sexual selection; Shakespearean sonnet; shark sucker; sharp set; sharp sighted; shear stress; shearing strain; shearing stress; shell shock; Shetland sheepdog; shilly shally; shirt sleeve; shooting star; shooting stick; shop steward; short shrift; short sight; short spoken; short story; short subject; shoulder steak; side show; side step; side stroke; sidewalk superintendent; silk stocking; silver salmon; silver screen; silver spoon; silver standard; Silver Star; simple sentence; Simple Simon; simple sugar; single space; siren song; six shooter; sixth sense; slab sided; slap shot; slave state; sleave silk; sleeping sickness; sliding scale; slip sheet; small scale; smelling salts; smoke screen; so so; sob sister; sob story; sober sided; social science; social secretary; social security; social service; social studies; sockeye salmon; sodium silicate; sodium sulfate; sodium sulfide; sodium sulfite; soft sculpture; soft sell; soft shell; soft shelled; soft shoe; soft shoulder; soft soap; soft soap; soft spoken; soft spot; solar system; solid solution; solid state; Solomon's seal; song sparrow; soul searching; soul sister; sound stage; sour salt; south southeast; south southwest; space science; space shuttle; space sickness; space station; space suit; special session; speed shop; Spenserian sonnet; Spenserian stanza; split second; split shift; spoils system; spotted sandpiper; springer spaniel; sprinkler system; spun silk; spun sugar; square sail; staff sergeant; stage struck; stainless steel; star sapphire; star shell; stationary satellite; steady state; steam shovel; sterling silver; stern sheets; stick shift; stink stone; stock still; stop sign; stop street; strawberry shrub; strong suit; structural steel; stuff shot; stuffed shirt; suction stop; summer savory; summer school; summer solstice; summer squash; summer stock; Sunday school; Supreme Soviet; Sussex spaniel; swagger stick; swan song; swarm spore; sweat shirt; sweat suit; sweet sorghum; sweet sultan; swing shift; Swiss steak; swizzle stick; sympathy strike
ST: sacher torte; sales tax; sand table; sand trap; sandbox tree; Saratoga trunk; saw toothed; scar tissue; scarlet tanager; Schick test; Scotch terrier; Scottish terrier; scratch test; screen test; screw thread; scrub typhus; sea tangle; sea trout; Sealyham terrier; season ticket; second thought; see through; self taught; self treatment; self trust; sensitivity training; septic tank; service tree; set theory; set to; sharp tongued; shea tree; sheep tick; shelter tent; shire town; shock therapy; shock treatment; shock troops; short tempered; short term; short ton; Siamese twin; sidereal time; sieve tube; silent treatment; silk tree; silver tongued; Simchas Torah; single tax; single track; Sino Tibetan; ski touring; ski tow; skin test; Skye terrier; slave trade; slit trench; small talk; smoke tree; smooth tongued; snapping turtle; sneak thief; snow tire; snowdrop tree; sodium thiosulfate; soft touch; song thrush; sore throat; sorrel tree; sound truck; sow thistle; space time; spark transmitter; speaking tube; specific thrust; speckled trout; speed trap; spherical triangle; spherical trigonometry; spindle tree; split ticket; spring tide; spur track; staff tree; Staffordshire terrier; standard time; star thistle; star tracker; static tube; steak tartare; steam table; steam turbine; steamer trunk; steel trap; stem turn; step turn; stone's throw; storm trooper; straight ticket; strawberry tomato; strawberry tree; street theater; strep throat; string tie; student teacher; sulfur trioxide; supersonic transport; surface tension; swallow tailed; Swedish turnip; sweet talk; sweet tooth
SU: screw up; sea urchin; self understanding; send up; seven up; shook up; shoot up; sit up; slip up; state university; step up; stepped up; stuck up; student union
SV: Sabin vaccine; safety valve; sal volatile; Salk vaccine; sand verbena; Scotch verdict; seed vessel; semilunar valve; shrinking violet; slide valve; slow virus; sotto voce; space vehicle; spar varnish; straw vote; subclavian vein; surplus value; surrender value; survival value
SW: satin weave; Scotch whisky; Scotch woodcock; sea wall; sea walnut; sea wrack; sealing wax; search warrant; second wind; Second World; self will; self winding; series wound; sharp witted; shock wave; short wave; short winded; shotgun wedding; shrink wrap; shrink wrap; shunt wound; side wall; side wheel; side wheeler; side whiskers; sine wave; sky wave; slack water; smear word; snow white; social work; soda water; soft water; solar wind; sound wave; space walk; space writer; spaghetti Western; sparkling wine; sperm whale; spin wave; spinning wheel; sprocket wheel; stage whisper; standing wave; station wagon; stationary wave; status word; steel wool; steering wheel; stellar wind; stem winder; stem winding; stern wheeler; sticky wicket; stomach worm; storm window; straw wine; sweet William; swing wing
SY: sabbatical year; school year; sidereal year; solar year; spun yarn; straw yellow
SZ: strike zone
TA: tannic acid; tartaric acid; taurocholic acid; teen age; teen aged; teen ager; telluric acid; terebic acid; terra alba; thiocyanic acid; thiosulfuric acid; thorn apple; tiglic acid; titanic acid; toluic acid; Tommy Atkins; tone arm; tonic accent; toxin antitoxin; trade acceptance; trailing arbutus; transactional analysis; trapeze artist; travel agency; Triangulum Australe; tungstic acid
TB: T bone; tail beam; talking book; tandem bicycle; taste bud; tea bag; tea ball; tea biscuit; Teddy bear; teddy bear; Teddy boy; teeter board; telephone book; telephone booth; temporal bone; tepary bean; tete beche; tetra basic; Thermos bottle; third base; third baseman; thistle butterfly; thorough brace; three bagger; Tibeto Burman; tick borne; tie beam; tiger beetle; time bill; time bomb; to be; toggle bolt; tonka bean; top banana; top boot; torpedo boat; torsion balance; torsion bar; tote bag; tracer bullet; trade book; trail bike; trail boss; travel bureau; trial balance; trial balloon; trolley bus; true bill; trundle bed; truss bridge; tubercle bacillus; tucker bag; tumbling box; turkey buzzard; Turkish bath; two bit; two bits; tympanic bone
TC: T cell; tai chi; tailor's chalk; tape cartridge; tar camphor; tau cross; teachers college; teachers' college; Ten Commandments; tent caterpillar; terra cotta; tertiary color; tesla coil; test case; textual criticism; thermionic current; thinking cap; third class; three color; thyroid cartilage; tie clasp; tiger cat; time capsule; time clock; tin can; tinea capitis; tissue culture; toll call; toll collector; Tom Collins; tone color; torque converter; touring car; tourist class; town clerk; town crier; trading cards; traffic circle; trailer camp; transverse colon; traveler's check; treble clef; trench coat; Triple Crown; trolley car; tropical cyclone; trumpet creeper; trust company; tungsten carbide; turkey cock; Turkish coffee; turnip cabbage
TD: tabes dorsalis; table d'hote; tag day; tall drink; tank destroyer; tap dance; tape deck; target date; Tasmanian devil; tax deductible; taxi dancer; Te Deum; tea dance; Thanksgiving Day; third degree; third dimension; thoracic duct; thorium dioxide; three D; three decker; three dimensional; tic douloureux; tie dye; time deposit; time dilatation; time dilation; tinker's dam; titanium dioxide; to day; to do; toe dance; top dog; top drawer; top dress; top dressing; trade discount; trap door; trickle down; tsetse disease; tsutsugamushi disease; tumble down; Turkish delight; TV Dinner; Twelfth day; twist drill; two dimensional
TE: tail end; tartar emetic; tax evasion; tax exempt; telephone exchange; text edition; thermionic emission; tiger eye; tiger's eye; tiger's eye; tight end; time exposure; tin ear; total eclipse; trace element; track events; trade edition; trailing edge; transition element; two edged; typographical error
TF: tachina fly; task force; teaching fellow; tenant farmer; terra firma; tertian fever; Texas fever; thrust fault; tick fever; touch football; tragic flaw; tree farm; tree fern; tree frog; trench fever; trench foot; trigonometric function; tropical fish; truck farm; trust fund; tsetse fly; tube foot; tuna fish; tuning fork; turbulent flow; tutti frutti; two faced; two fer; two fisted; type foundry; typhoid fever; typhus fever; tzetze fly
TG: T group; Talmi gold; tape grass; tarsal gland; tea garden; tear gas; temperature gradient; three gaited; Three Graces; thyroid gland; Tiffany glass; Tommy gun; transformational grammar; trap gun; Tupi Guarani; twitch grass; type genus
TH: T hinge; table hop; tack hammer; tail heavy; Tampico hemp; tap house; tappit hen; Tar Heel; teaching hospital; tetracaine hydrochloride; third house; tilt hammer; timber hitch; time honored; top hamper; top hamper; top hat; top heavy; top hole; town hall; town house; tract house; trap house; tree house; trigger happy; trip hammer; triple header; Trojan horse; trumpet honeysuckle; trunk hose; tumble home; Turk's head; two handed; type high
TI: take in; teach in; term insurance; thumb index; thumb index; tie in; time immemorial; trade in; traffic island; tragic irony; tuned in; two iron
TJ: tear jerker; toggle joint; traveler's joy; trial jury
TK: technical knockout; top kick; trench knife
TL: T lymphocyte; table linen; taffrail log; tag line; tail lamp; Tensor lamp; terminal leave; tetraethyl lead; Texas leaguer; thunder lizard; tie line; tiger lily; time lapse; time loan; time lock; tin lizzie; toll line; tone language; tongue lashing; torchon lace; trade language; trade last; traffic light; tree line; trompe l'oeil; trophic level; trout lily; true life; trunk line; tungsten lamp; twice laid; twin leaf
TM: tailor made; tape measure; teaching machine; tender minded; terbium metal; thread mark; threshing machine; tiger moth; time machine; time money; tobacco mosaic; tough minded; town manager; town meeting; track meet; trade magazine; transition metal; trench mouth; Trinil man; triple measure; tussock moth; two master; tympanic membrane; type metal; Typhoid Mary
TN: tenpenny nail; thermal neutron; time note; trade name; transfinite number; treasury note; trigeminal neuralgia; trivial name; Twelfth night; two name
TO: Tahiti orange; take out; tall oil; Third Order; time out; tip off; train oil; truant officer; tung oil; turn on; turned on; Tuscan order; twenty one
TP: taffy pull; tail pipe; talcum powder; talking point; tangent plane; tape player; tarsal plate; teacher's pet; team play; telegraph plant; term paper; test paper; test pilot; think piece; third party; third person; thole pin; three piece; three ply; tin plate; tin plate; tin pyrites; title page; toilet paper; tone poem; totem pole; touch paper; trading post; transverse process; treaty port; tree poppy; triple play; tuck pointing; tulip poplar; turmeric paper; turning point; two phase; two piece; two ply; Tyrian purple
TQ: tertium quid; three quarter; tu quoque
TR: tabula rasa; tan rot; tape record; tape recorder; tape recording; tea rose; teething ring; telephone receiver; terza rima; Texas Ranger; textus receptus; third rail; third rate; thought reading; three R's; throw rug; timber right; time reversal; top round; track record; trade rat; trade route; transfer RNA; transistor radio; trial run; true rhyme; true rib; Turkey red
TS: T shirt; T square; table salt; table sugar; tag sale; talent scout; talent show; talk show; tank suit; tartar sauce; tartare sauce; tartare steak; tax shelter; taxi stand; tea service; tear sheet; tee shirt; television show; ten strike; tennis shoes; tensile strength; tent stitch; test stand; theme song; thick skinned; thin skinned; thiopental sodium; third stream; three square; thrift shop; through street; ticket scalper; tiger salamander; time sharing; time sheet; time signature; time study; times sign; toggle switch; tooth shell; top secret; top sergeant; Top Sider; topic sentence; topsail schooner; torch song; tracking station; trade school; trade secret; trading stamp; training school; traveling salesman; tree surgery; Trinity Sunday; tropical storm; trouble shooter; truck system; trumpeter swan; truth serum; try square; tuck shop; tungsten steel; tusk shell; tutorial system; twilight sleep; twin screw; twin size; two spot; two step; type site; type species; type specimen
TT: table talk; table tennis; talking to; tam tam; tank top; tank town; tank trailer; team teaching; teeter totter; test tube; Texas tower; thermionic tube; think tank; thirty twomo; tic tac; tick trefoil; ticker tape; ticky tacky; tie tack; tier table; time tested; tittle tattle; toilet training; Tom Thumb; tom tom; tongue tie; tongue tied; tongue twister; toothache tree; topsy turvy; torpedo tube; tourist trap; trackless trolley; training table; treasure trove; tree toad; triple time; trust territory; tubeless tire; tuberculin test; tulip tree; tung tree; turkey trot; Turkish towel; twelve tone; twenty twenty; twice told; two time; two tone
TU: take up; tie up; trade union; tune up
TV: tableau vivant; terre verte; toga virilis; tricuspid valve; trumpet vine; truth value; tunnel vision; turkey vulture
TW: table wine; taffeta weave; tail wind; Tasmanian wolf; tea wagon; territorial waters; thick witted; Third World; third world; three wood; tidal wave; timber wolf; time warp; titanium white; toilet water; toothed whale; trade wind; Trojan War; troy weight; two way
TY: thank you; tropical year
TZ: Temperate Zone; time zone; Torrid Zone
UA: un American; upper atmosphere; Ural Altaic; uric acid; Uto Aztecan
UB: U boat; U bolt; umbrella bird; up bow; upper bound; urinary bladder
UC: umbilical cord; una corda; unemployment compensation; Uniat Church; union catalog; universal coupling; upland cotton; Upper Carboniferous; upper case; upper case; upper class; upper crust; urinary calculus
UD: ugly duckling; universal donor; upside down; uranium dioxide; urban district
UE: uranium enrichment
UF: ultrahigh frequency; uncalled for; undulant fever; unhoped for; unlooked for; up front
UG: uropygial gland
UH: uh huh; upper hand; Upper House
UI: unearned increment
UJ: union jack; universal joint
UL: ultraviolet lamp; umbrella leaf; union label; unwritten law
UM: Ursa Major; Ursa Minor; utility man
UN: United Nations
UO: unheard of
UP: UBV photometry; umbrella palm; uncertainty principle; unicorn plant; unit pricing; upland plover; upright piano; upset price
UR: unconditioned response; Underground Railroad; unit rule; urban renewal
US: Uncle Sam; unconditioned stimulus; union shop; union suit; United States; universal set; urban sprawl
UT: U turn; ultima Thule; umbrella tree; Uncle Tom; Uncle Tomism; under trick; universal time; up tempo; uranium trioxide
UV: una voce
UW: under way
VA: vitamin A; vitamin A1; vitamin A2
VA: valeric acid; vanadic acid; velvet ant; verd antique; vermiform appendix; vicar apostolic; vice admiral; vice admiralty; Vincent's angina; visual aid; volt ampere; volumetric analysis; vox angelica
VB: vacuum bottle; valence bond; Vandyke beard; Vandyke brown; vanilla bean; vascular bundle; Venetian blind; venetian blue; viper's bugloss; virgin birth; vitamin B; vitamin B1; vitamin B12; vitamin B2; vitamin B6; vitamin Bc; voice box; voltaic battery
VC: vacuum casting; vacuum cleaner; Vandyke collar; vanishing cream; vanity case; variable cost; vaunt courier; vena cava; vernier caliper; versed cosine; vertebral canal; vertebral column; vertical circle; vice chancellor; vice consul; vicious circle; Victoria Cross; vigilance committee; vinyl chloride; Virginia cowslip; Virginia creeper; visiting card; vital capacity; vitamin C; vocal cords; voix celeste; voltaic cell; voltaic couple
VD: V day; vacuum drying; Valentine's Day; vas deferens; vat dye; venereal disease; Venn diagram; Veterans Day; Via Dolorosa; viola d'amore; Virginia deer; vitamin D; vitamin D2; vitamin D3; voir dire; voltage divider
VE: V engine; valence electron; vernal equinox; vinegar eel; vitamin E; vitreous enamel
VF: V format; Vanity Fair; variable field; ventral fin; Venus's flytrap; vertical file; vicar forane; view finder; Virginia fence; virtual focus; visiting fireman; visual field; volte face; vowel fracture; VT fuze
VG: vacuum gauge; Venus's girdle; vicar general; video game; vitamin G; volcanic glass; vote getter
VH: varying hare; Venus's hair; view halloo; Virginia ham; vitamin H; vitreous humor; vox humana
VI: vegetable ivory; vested interest; virtual image
VJ: value judgment
VK: vegetable kingdom; vitamin K
VL: vapor lock; variable logic; Verner's Law; vers libre; vigil light; Vulgar Latin
VM: V mail; vade mecum; variety meat; vegetable marrow; vending machine; venire man; veterinary medicine; via media; vires majores; Virgin Mary; virtual machine; virtual memory; vis major; voluntary muscle; voting machine; votive Mass
VN: V neck; vagus nerve; verbal noun; vestibular nerve; visiting nurse
VO: vegetable oil; vegetable oyster; vin ordinaire; voice over; volatile oil
VP: V particle; vacuum packed; vacuum pump; valued policy; vanadium pentoxide; vanishing point; vanity plate; vanity press; vanity publisher; vapor pressure; vascular plant; vector product; velvet plant; vermiform process; Very pistol; vest pocket; vice president; visiting professor; visual purple; vitamin P; voice part; voltaic pile; vowel point; vox populi
VR: venetian red; vernier rocket; vice regent; videotape recorder; Virginia reel; viscose rayon
VS: V shaped; V sign; valence shell; vanadium steel; variable star; variety show; variety store; vector space; vegetable silk; vegetable sponge; vernier scale; versed sine; vesper sparrow; vestigial sideband; veterinary surgeon; vice squad; Vienna sausage; vinaigrette sauce; visible speech; vital signs; vital statistics; vocational school
VT: vacuum tube; vapor trail; Vari Typer; varied thrush; varnish tree; vascular tissue; vegetable tallow; video terminal; visiting teacher; VU; vertical union
VV: vestal virgin; vice versa; viva voce
VW: vegetable wax; Vichy water; virgin wool
VY: vintage year
WA: want ad; well appointed; wetting agent; wheel animalcule; white ant; wide awake; winter aconite; wood alcohol; wood anemone
WB: wading bird; walking bass; war baby; war bonnet; warm blooded; Washington's Birthday; water ballet; Water Bearer; water bed; water beetle; water bird; water biscuit; water blister; water bloom; water boatman; water boy; water brash; water buffalo; water bug; wax bean; weather balloon; weather beaten; weather bound; Weather Bureau; well balanced; well being; well born; well bred; Wellington boot; Welsbach burner; wet blanket; wheat bread; Wheatstone bridge; wheel bug; whipping boy; whirligig beetle; white birch; white book; white bryony; whizz bang; whole blood; widow bird; wild bergamot; wild boar; wind blown; wind borne; window box; witches broom; witness box; Wolffian body; wood betony; woolly bear; word blindness; worry beads; would be; wrecking bar
WC: walking catfish; wall creeper; war chest; war club; war correspondent; war crime; war cry; watch cap; water caltrop; water chestnut; water chinquapin; water clock; water closet; water color; water cool; water cooler; water cure; watering can; Watson Crick; Welsh corgi; wet cell; white cedar; white cell; white chip; white cloud; white clover; white collar; white corpuscle; white crappie; whooping cough; whooping crane; wild carrot; wild celery; wind cone; Windsor chair; wine cellar; wing chair; winner's circle; winter cherry; Wolf Cub; wood coal; wool clip; workers' compensation; working capital; working class; workmen's compensation; World Court; writer's cramp
WD: walking delegate; war dance; water dog; well defined; well disposed; well done; wheeler dealer; white daisy; white dwarf; Wilson's disease; window dressing; window dressing; wire draw; witch doctor; wolf dog; wood duck; word deafness; write down
WE: wage earner; Wankel engine; water elm; wave equation; weather eye; white elephant; white eye; wide eyed; wild eyed; window envelope; witch elm; wood engraving; work ethic; worm eaten; wych elm
WF: walking fern; wall fern; warble fly; warm front; watch fire; water flea; wave front; wave function; weak force; web footed; well favored; well fed; well fixed; well found; well founded; whey face; white faced; white feather; white flag; white fox; White Friar; white frost; wing footed; winter feed; wish fulfillment; wolf fish; wool fat; work force; work function; working fluid; world's fair; worm fence
WG: waiting game; war game; watch glass; water gap; water gas; water gate; water gauge; water glass; water gum; water gun; wave guide; well groomed; well grounded; West Germanic; wheat germ; white gasoline; white gold; whole gale; wild geranium; wild ginger; wind gap; winning gallery; wire gauge; wire gauze; wire glass; wise guy; witch grass; worm gear
WH: wall hanging; war hawk; war horse; ward heeler; warm hearted; wart hog; water hammer; water hemlock; water hen; water hole; water hyacinth; watering hole; watt hour; weaver's hitch; well handled; well heeled; Western Hemisphere; wheel horse; wheel house; whip hand; white headed; white heat; white horse; white hot; White House; whole hog; wild hyacinth; willow herb; wind harp; wire haired; witch hazel; witch hunt; work hardening; wrong headed
WI: waffle iron; walk in; water ice; wax insect; weak interaction; well intentioned; whiplash injury; whipper in; wild indigo; wind instrument; with it; wood ibis; wooden Indian; write in; wrought iron
WJ: Wandering Jew; water jacket; water jacket; whiskey jack
WK: weak kneed; weaver's knot; well knit; well known; whiz kid
WL: wagon lit; waiting list; walking leaf; water level; water lily; water line; water logged; weight lifter; wheel lock; white lead; white leather; white lie; white list; white livered; wing loading; wood lot; wood louse; world line
WM: walrus mustache; washing machine; water main; water meter; water milfoil; water mill; water moccasin; wave mechanics; wax moth; wax museum; wax myrtle; weak minded; weather map; web member; well mannered; well meaning; well meant; wet monsoon; white magic; white mahogany; white matter; white meat; white metal; white mica; white mulberry; whole milk; wide mouthed; widow's mite; wild marjoram; wild mustard; Wimshurst machine; winter melon; witch moth
WN: Walpurgis Night; watch night; wave number; well nigh; west northwest; wet nurse; white noise; whole note; whole number; willy nilly; wing nut; wire netting; wood nymph
WO: walk on; warmed over; warrant officer; washed out; water oak; water ouzel; way out; well off; western omelet; whale oil; white oak; wide open; wild oat; wild olive; willow oak; word order; worn out; write off
WP: W particle; walking papers; wall plate; wall plug; walleyed pike; war paint; war party; warming pan; water parting; water pepper; water pipe; water pistol; water plantain; water polo; water purslane; watering place; watering pot; wax palm; wax paper; wax plant; waxed paper; web press; wet pack; white paper; white pepper; white perch; white pine; white plague; white poplar; white potato; widow's peak; wild pansy; wild pink; wild pitch; will power; wine palm; winning post; winter purslane; wolf pack; wood pigeon; wood pulp; wood pussy; word play; word processing; working papers; world power; wove paper; wrest pin; wrist pin; writing paper
WR: waiting room; wake robin; wall rock; wall rue; Wassermann reaction; water rat; water repellent; water resistant; water right; wedding ring; well read; well rounded; Welsh rabbit; Welsh rarebit; wharf rat; wheat rust; white room; wide receiver; wild rice; wild rye; wind rose; wire recorder; wire rope; withe rod; women's rights; women's room; wood rat; work release
WS: wage scale; Waldorf salad; walking stick; Wall Street; wash sale; washing soda; water sapphire; water scorpion; water shield; water sick; water skater; water ski; water snake; water soak; water spaniel; water sprite; water strider; water supply; water system; way station; weak sister; weather ship; weather station; weather strip; weather stripping; welfare state; well spoken; West Saxon; west southwest; western sandwich; wet suit; whale shark; whip scorpion; whip snake; whiskey sour; whistle stop; whistling swan; white sauce; white slave; white slaver; white slavery; white snakeroot; white squall; whited sepulcher; Wiener schnitzel; wind sleeve; wind sprint; winding sheet; window shade; window shop; winter savory; winter solstice; winter squash; witches' Sabbath; witness stand; woman suffrage; wood sorrel; wood spirits; wood sugar; wool shed; wool stapler; word square; work stoppage; working storage; working substance; World Series; world shaking; world soul; worm screw; wu shu
WT: wagon train; walk through; walkie talkie; walky talky; Wassermann test; water table; water thrush; water tiger; water tower; water turkey; wave train; wave trap; wayfaring tree; well timbered; well timed; well turned; Welsh terrier; white tie; white trash; whitewall tire; Widal test; wild type; wind tee; wind tunnel; Windsor tie; wing tip; wireless telegraphy; wireless telephone; wisdom tooth; wishful thinking; withholding tax; won ton; wood tar; wood thrush; wood tick
WU: warm up; washed up; wind up; wrap up; write up
WV: water vapor; weather vane; white vitriol; wild vanilla; wood vinegar; world view
WW: Wailing Wall; war whoop; wasp waist; water wheel; water wings; water witch; weasel word; weather wise; weeping willow; welfare work; well wisher; well worn; whalebone whale; white walnut; white water; white whale; who's who; whole wheat; widow's walk; Wild West; winter wheat; wire wove; wish wash; wishy washy; world weary; worldly wise; worm wheel; wrist watch
XA: x axis; xanthic acid
XC: X chromosome
XG: xanthan gum
XH: x height; xenon hexafluoride
XR: x radiation; x ray; XY recorder
XT: xenon tetrafluoride
YA: y axis; you all
YB: yard bird; yellow bellied; yellow birch
YC: Y chromosome; yacht club; yellow cake; yellow card; yellow cypress
YD: Yankee Doodle; yarn dyed
YE: year end
YF: yellow fever; yellow flu
YG: yard goods
YH: yoo hoo; youth hostel
YJ: yellow jack; yellow jacket; yellow journalism
YK: Yom Kippur
YL: yule log
YM: yerba mate; yes man
YO: yellow ocher; ytterbium oxide; yttrium oxide
YP: Yellow Pages; yellow peril; yellow pine; yellow poplar; Yorkshire pudding
YR: year round
YS: yard sale; yea sayer; yellow sheet; yellow spot; yellow streak; yolk sac
YT: Yorkshire terrier; Young Turk; Yukon Time
YW: yellow warbler
YY: yackety yak; ye ye; ylang ylang; yo yo
ZA: z axis; Zend Avesta; zygomatic arch
ZB: Zen Buddhism; zero base; zero based; zinc blende; zygomatic bone
ZC: zebra crossing; Zip Code
ZD: Zener diode; zero defect
ZE: Zeeman effect
ZF: zebra finch; zebra fish
ZG: zero gravity; zero growth; zip gun; zoological garden
ZH: zero hour
ZL: zephyr lily; zodiacal light; zoom lens
ZM: Zapata mustache; zone melting
ZO: zinc ointment; zinc oxide; zirconium oxide
ZP: zealous person; zygomatic process
ZR: zero rate; zone refining; zoogeographic region
ZS: Z score; zinc sulfate; zoot suit
ZT: Z therapy
ZW: zinc white