Or search: acanthopterygian
1 Syllable: S
auch, aud, aught, awed, Bach, balk, baud, bloc, block, blot, Bob, bobbed, Bock, bod, bog, bogged, bogs, Bos, bot, bought, box, bras, broad, Brock, brought, caught, chalk, chop, chopped, chops, Claude, clock, clod, clog, clogged, clogs, clot, cob, Cobb, cock, Cod, cog, cop, copse, cos, cost, cot, cough, Cox, Croft, crop, cropped, crops, cross, Das, daubed, Doc, dock, docs, Dodd, dog, dogged, dogs, dos, dost, dot, drop, dropped, drops, dropt, dross, flawed, flock, flogged, flop, FOB, fog, fop, fought, Fox, fraud, fraught, frock, frog, frost, gloss, gnawed, God, got, Gott, Gough, grog, Grosse, haut, hawk, hob, Hobbes, hoc, hock, hod, hog, Hogg, hogs, hop, hopped, hops, hot, Jacques, job, jog, jot, knob, knock, Knopf, knot, Knox, Koch, las, lat, laud, Loch, lock, Locke, locks, loft, log, lop, lopped, Los, lost, lot, masque, Maud, mob, mock, mod, mop, mos, mosque, moss, mots, Mott, naught, nod, not, notch, nots, nought, Oct, odd, off, oft, OP, opt, ought, ox, plot, pod, pop, popped, pot, Pott, pox, Prague, prob, Proc, prod, Prof, prop, propped, props, quod, rob, robbed, robs, rock, rod, Ross, rot, sauce, sawed, scoff, Scot, Scotch, Scots, Scott, Scott's, shock, shod, shop, shot, slop, slot, smock, snob, sob, sobbed, sobs, sock, sod, soft, sop, sot, sought, spot, squad, squash, squat, stalk, stock, stop, stopped, stops, talk, taught, taut, thawed, thought, throb, throbbed, throbs, Tod, top, topped, tops, toss, tot, trod, trot, trough, vos, vox, wad, waft, walk, wash, wasp, wast, Wat, watch, Watt, wot, wrought, yacht
2 Syllables: SU
cannot, Punjab
2 Syllables: US
3 Syllables: UUS

Found 276 words across 4 groupings. Skipped 84 excess words of a similar stem.