Letter: a
- alpha ray, X ray, beta ray, cathode ray, electron emission, gamma ray

- alpha test, IQ, Rorschach test, aptitude test, inkblot test, intelligence quotient, intelligence test, psychological test, test

- alpha, beginning, blast-off, breaking-in, commencement, creation, cutting edge, dawn, dawning, edge, establishment, first, first blush, first glance, first impression, first lap

- alphabet book, battledore, casebook, grammar, manual, primer, reader, schoolbook, speller, text, textbook, workbook

- alphabet, art, basics, beginning, blueprint, charactering, characterization, chart, choreography, commencement, conventional representation, dance notation, delineation, demonstration, depiction, diagram

- alphabetic character, character, cipher, device, graph, monogram, sign, syllabic, symbol, writing

- alphabetic data, bit, bug, command, computer program, data, error, information, input data, instructions, message, noise, output, play, signal

- alphabetic, capital, ideographic, lettered, literal, lower-case, minuscule, pictographic, transliterated, uncial, upper-case

- alphabetical printer, magnetic tape, microfiche, microfilm, oscilloscope, printout, reader, readout, recorder

- alphabetize, alphabet, analyse, arrange, assort, break down, capitalize, catalogue, categorize, character, class, classify, codify, digest, divide, file

- alphanumeric code, bit, bug, command, computer program, data, error, information, input data, instructions, message, noise, output, play, signal

- alpine garden, arboretum, bed, border, flower bed, garden, paradise, rock garden, shrubbery, vineyard

- alpine, knobby, mountainous, rolling

- already in sight, approaching, at hand, brewing, close, coming, forthcoming, future, immediate, imminent, impending, in reserve, in store, in the cards, in the wind, in view

- already, as yet, before, before all, by this time, earlier, early, ere, ere then, erstwhile, even, formerly, heretofore, hereunto, hitherto, once

- alright, OK, Roger, absolute, absolutely, acceptable, accurate, adequate, admissible, agreeable, all right, amen, as you say, assuredly, aye, better than nothing

- also, above, additionally, again, all included, along, altogether, among other things, and, and all, and also, and so, as well, beside, besides, beyond

- also-ran, aspirant, bankrupt, booby, candidate, dark horse, duck, dud, failure, fall guy, flop, hopeful, lame duck, loser, running mate, sport

- altar bread, Communion, Eucharist, Holy Communion, Last Supper, bread, elements, loaf, wafer

- altar carpet, altar, altarpiece, canopy, cover, credence, frontal

- altar desk, altar, altarpiece, credence, frontal

- altar facing, altar, altarpiece, credence, frontal

- altar rail, altar, altarpiece, credence, frontal

- altar side, altar, altarpiece, credence, frontal

- altar slab, altar, altarpiece, credence, frontal

- altar stair, altar, altarpiece, credence, frontal

- altar stone, altar, altarpiece, credence, frontal

- altar, altar carpet, altar desk, altar facing, altar rail, altar side, altar slab, altar stair, altar stone, altarpiece, chancel table, credence, frontal, holy table, missal stand, rood altar

- altarpiece, abstract, abstraction, altar, altar carpet, altar desk, altar facing, altar rail, altar side, altar slab, altar stair, altar stone, block print, chancel table, collage, colour print

- alter ego, I, acquaintance, advocate, ally, alter, alternate, analogue, associate, attorney, backer, backup, backup man, best friend, better self, bosom friend
