1 Syllable: S
AB, act, ad, adds, ads, aft, App, apt, ash, ask, asp, ass, ast, at, auch, aud, aught, awed, ax, axe, Bach, back, bad, bag, balk, bask, Basque, bass, bast, bat, batch, bats, baud, black, blast, bloc, block, blot, Bob, bobbed, Bock, bod, bog, bogged, bogs, Bos, bot, bought, box, brag, bras, broad, Brock, brought, cab, cache, cad, calf, cap, capped, caps, Capt, cas, cash, cask, Cass, cast, caste, casts, cat, catch, cats, caught, chaff, chalk, chap, chat, chop, chopped, chops, clad, clap, clapped, clash, clasp, class, Claude, clock, clod, clog, clogged, clogs, clot, cob, Cobb, cock, Cod, cog, cop, copse, cos, cost, cot, cough, Cox, crab, crabbed, crabs, crack, craft, crag, crash, crass, Croft, crop, cropped, crops, cross, dab, dad, Das, dash, dat, daubed, Doc, dock, docs, Dodd, dog, dogged, dogs, dos, dost, dot, drab, draft, drag, dragged, drags, draught, drop, dropped, drops, dropt, dross, fac, fact, fad, fag, fast, fat, fax, flag, flagged, flags, flap, flapped, flaps, flash, flask, flat, flawed, flax, flock, flogged, flop, FOB, fog, fop, fought, Fox, fraud, fraught, frock, frog, frost, Gad, gag, gap, gas, gash, gasp, glad, glass, gloss, gnat, gnawed, God, got, Gott, Gough, grab, grabbed, Graf, graft, graph, grasp, grass, grog, Grosse, hack, had, hadst, hag, half, hap, hash, hast, hat, hatch, hats, haut, hawk, hob, Hobbes, hoc, hock, hod, hog, Hogg, hogs, hop, hopped, hops, hot, Jack, Jacques, jagged, Jas, job, jog, jot, Katz, kept, knack, Knapp, knob, knock, Knopf, knot, Knox, Koch, lab, lac, lack, lad, lag, lagged, lags, lap, lapped, laps, lapse, las, lash, lass, last, lat, latch, laud, laugh, lax, Loch, lock, Locke, locks, loft, log, lop, lopped, Los, lost, lot, Mac, Mack, mad, Mag, mak, map, mapped, maps, mash, mask, masque, mass, masse, mast, mat, match, mats, Matt, Maud, Max, mob, mock, mod, mop, mos, mosque, moss, mots, Mott, nad, nag, nap, Nash, Nat, naught, nod, not, notch, nots, nought, Oct, odd, off, oft, OP, opt, ought, ox, pack, pact, pad, pap, pass, past, pat, patch, Pax, plaid, plaque, plat, Platt, plot, pod, pop, popped, pot, Pott, pox, prac, Prague, Pratt, prob, Proc, prod, Prof, prop, propped, props, quack, quod, rack, raft, rag, rap, rapped, rapt, ras, rash, rat, rob, robbed, robs, rock, rod, Ross, rot, sac, Sachs, sack, sacs, sad, sag, sap, sapped, sash, sat, sauce, sawed, Saxe, scat, scoff, Scot, Scotch, Scots, Scott, Scott's, scrap, scratch, shack, shad, shaft, shock, shod, shop, shot, slab, slack, slag, slap, slapped, slash, slop, slot, smack, smash, smock, snack, snap, snapped, snaps, snatch, snob, sob, sobbed, sobs, sock, sod, soft, sop, sot, sought, spat, splash, spot, squad, squash, squat, stab, stabbed, stabs, stack, staff, stag, stalk, Stat, stock, stop, stopped, stops, strap, strapped, straps, tab, tack, tact, tad, Taft, tag, tagged, tags, tak, talk, tap, tapped, taps, task, tat, taught, taut, tax, that, thatch, that's, thawed, thought, thrash, throb, throbbed, throbs, Tod, top, topped, tops, toss, tot, track, tract, trap, trapped, traps, trash, trod, trot, trough, vas, vast, vat, vos, vox, wad, waft, wag, walk, wash, wasp, wast, Wat, watch, Watt, wax, wot, wrap, wrapped, wraps, wrapt, wrought, yacht, zag
2 Syllables: SU
abstract, cannot, combat, compact, contract, contrast, detach, extract, forecasts, impact, impasse, morass, outlast, Punjab
2 Syllables: US
aback, abashed, abroad, across, adapt, adopt, aghast, alas, allot, aloft, Alsace, amass, applaud, approx, atop, attach, attack, attract, begat, begot, behalf, besought, bethought, collapse, combats, cravat, debauch, defraud, despatch, despots, detached, detract, dispatch, distract, distraught, ducats, elapse, embossed, enact, entrap, entrapped, exact, exhaust, facade, forgot, harass, imposts, intact, Iraq, perhaps, react, recast, recrossed, relapse, relax, repast, retract, subtract, surpass, thereat, transact, unlock, unmasked, unmatched, unpacked, unsought, untaught, unwashed, whereat
3 Syllables: UUS
Found 602 words across 4 groupings. Skipped 208 excess words of a similar stem.