Letter: a
- a, any, architect, certain, designer, developer, entrepreneur, kilometre, measure, measured, one, organizer, planner, projector, promoter, quantified

- A-bomb, atomic bomb, atomic warhead, fusion bomb, hydrogen bomb, nuclear warhead, plutonium bomb, thermonuclear bomb, thermonuclear warhead

- aardvark, animal, antelope, armadillo, bat, elephant, hare, horse, kangaroo, mammal, opossum, pig, platypus, rat

- aback, short, sudden, suddenly, unaware

- abacus, adding machine, calculator, frieze, topping

- abandon hope, despair, despond, falter, give up, give way, lose heart

- abandon, abandonment, abjection, abjure, abort, abscond, acknowledge defeat, ardency, ardour, back out, beat a retreat, beg a truce, beg off, belay, boundlessness, bow out

- abandoned, a bit much, abjured, afire, amok, antiquated, antique, archaic, ardent, available, bellowing, berserk, boundless, burning, carried away, cast-off

- abandonment, abandon, abeyance, abjection, abjuration, cancellation, capitulation, cessation, cession, close, closing, cold storage, corruption, decadence, defection, degeneration

- abase, abash, bring down, bring low, bump, bust, cast down, cower, cringe, crush, debase, degrade, demean, demote, diminish, downgrade

- abasement, bump, bust, casting down, comedown, debasement, deflation, degradation, degrading, demotion, descent, disgrace, downgrading, dump, embarrassment, hangdog look

- abash, abase, appal, astound, bewilder, bother, bring down, bring low, cast down, chagrin, confound, confuse, crush, debase, degrade, demean

- abashed, abroad, adrift, afflicted, agitated, ashamed, astray, at sea, beset, bewildered, blushing, bothered, cast down, chagrined, clueless, confused

- abashment, chagrin, confusion, discomfiture, discomposure, discountenance, distress, disturbance, embarrassment, mortification, shame, uneasiness

- abate, ablate, abolish, abrade, abrogate, abstract, adjust to, allay, alleviate, allow, alter, anaesthetize, annihilate, annul, appease, assuage

- abated, attenuated, bated, belittled, consumed, contracted, curtailed, deflated, dissipated, eroded, fallen, less, lesser, lour, lower, lowered

- abatement of differences, accommodation, adjustment, arrangement, bargain, composition, concession, cop out, deal, give-and-take, settlement, surrender, understanding, yielding

- abatement, abridgement, alleviation, allowance, anaesthesia, anaesthetizing, analgesia, appeasement, attenuation, attrition, bank discount, blunting, breakage, calming, cash discount, chain discount

- abating, cushioning, deadening, diminishing, dulling, easing, lessening, mitigating, reducing, relaxing, softening, subduing, tempering

- abattoir, concentration camp, gas chamber, shambles

- abbess, chatelaine, clergywoman, dame, dowager, first lady, governess, great lady, home-maker, housewife, lady superior, madam, matriarch, matron, mistress, mother superior

- abbot, ascetic, beadsman, brother, celibate, cenobite, friar, grand prior, hermit, lay abbot, lay brother, mendicant, monastic, monk, palmer, pilgrim

- abbreviate, abridge, abstract, attenuate, blot out, blue-pencil, bob, boil down, bowdlerize, cancel, capsulize, censor, circumscribe, clip, compact, compress

- abbreviated, Spartan, abridged, abstracted, bobbed, brief, brusque, capsule, capsulized, clipped, close, compact, compendious, compressed, concise, condensed

- abbreviation, abridgement, abstract, astringency, blue-pencilling, bottleneck, bowdlerization, brief, cancellation, capsule, censoring, censorship, cervix, circumscription, clipping, compaction

- abdicate, abandon, abjure, acknowledge defeat, be pensioned, be superannuated, cashier, cast, cease, cede, cry quits, demit, desist from, drop, forgo, forswear

- abdication, abjuration, cession, demission, dropping out, emeritus status, forced resignation, forswearing, handing over, relinquishment, renouncement, renunciation, resignation, retiral, retirement, superannuation

- abdomen, anus, appendix, bay window, belly, blind gut, bowels, brain, breadbasket, caecum, colon, corporation, craw, crop, diaphragm, duodenum

- abdominal epilepsy, access, apoplexy, arrest, attack, blockade, convulsion, cramp, epilepsy, falling sickness, fit, frenzy, ictus, lockjaw, occlusion, paroxysm

- abdominal hernia, colitis, gastritis, peritonitis, polyp, ulcer
