Letter: a
- a little thing, mere nothing, minor matter, naught, nothing, nought, nullity, technicality

- a little, barely, extremely, fairly, hardly, imperfectly, in a way, insignificantly, kind of, lightly, little, minimally, minutely, pretty, quite, rather

- a lot, considerably, ever so, frequently, galore, great deal, greatly, highly, largely, much, no end, plenty, so

- a man, Samson, brave, bulldog, demigod, gallant, gamecock, hero, heroine, lion, man, paladin, stalwart, tiger, valiant

- a mass of, army, bevy, bunch, cloud, clutter, covey, flight, flock, hail, hive, host, jam, legion, lot, many

- a mile long, extensive, interminable, lengthy, long, tall

- a million, billion, million, myriad, thousand, zillion

- a myriad, billion, million, myriad, thousand, zillion

- a nobody, cipher, common man, dummy, figurehead, lightweight, little fellow, mediocrity, nobody, nonentity, nothing, obscurity, punk, runt, scrub, shrimp

- a nothing, cipher, common man, dummy, figurehead, lightweight, little fellow, mediocrity, nobody, nonentity, nothing, obscurity, punk, runt, scrub, shrimp

- a novice at, callow, fresh, green, ignorant, immature, inexperienced, new to, raw, unaccustomed, unacquainted with, undeveloped, unfamiliar with, unfledged, uninitiated, unpractised

- a party to, accessory, accomplice, concerned, implicated, interested, involved, participant, partner, party

- a posteriori reasoning, analysis, deduction, generalization, induction, inductive reasoning, inference, syllogism, synthesis

- a posteriori, a priori, analytic, analytical, categorical, conditional, deductive, discursive, hypothetical, inductive, inferential

- a priori knowledge, anticipation, clairvoyance, insight, inspiration, precognition, satori, second sight, sixth sense

- a priori principle, affirmation, assertion, assumption, axiom, basis, data, foundation, ground, hypothesis, position, postulate, premise, presupposition, proposition, statement

- a priori reasoning, analysis, deduction, generalization, induction, inductive reasoning, inference, syllogism, synthesis

- a priori truth, axiom, dictate, dictum, formula, golden rule, law, postulate, principle, proposition, rule, theorem, truism, truth

- a priori, a fortiori, a posteriori, analytic, back, backward, categorical, conditional, deducible, deductive, derivable, dialectic, discursive, dogmatic, early, ex post facto

- a quadrillion, billion, million, myriad, thousand, zillion

- a reckoning of, account, check, count, reckoning, tab, tally, track

- a stranger to, asleep, blind to, callow, dead to, deaf to, fresh, green, ignorant, immature, inexperienced, insensible, mindless, napping, new to, not with it

- a tale-bearing animal, busybody, gossip, newspaperman, reporter, rumourmonger, tabby, talebearer, tattle tale, tell-tale

- a thing for, affinity, aptitude, bent, bias, cast, delight, diathesis, disposition, eagerness, feeling for, inclination, instinct, leaning, liability, liking

- a thousand, billion, million, myriad, thousand, zillion

- a transient madness, anger, heat, ire, mad, soreness, wrath

- a wise passiveness, contemplation, dormancy, idleness, immobility, inactivity, indolence, inertia, meditation, neutrality, non-resistance, non-violence, pacifism, paralysis, passive resistance, passivity

- a world of, army, bevy, bunch, cloud, clutter, covey, flight, flock, hail, hive, host, jam, legion, lot, many

- a world-without-end bargain, alliance, bed, cohabitation, intermarriage, match, matrimony, misalliance, miscegenation, mixed marriage, wedlock

- a zillion, billion, million, myriad, thousand, zillion
