1 Syllable: S
alms, aud, aught, awed, Bach, balk, baud, bloc, block, blond, blonde, blot, Bob, bobbed, Bock, bod, bog, bogged, bogs, bombed, bombs, bond, bot, bought, box, broad, Brock, bronze, broth, brought, calmed, calms, cars, caught, cause, chalk, Chas, chop, chopped, chops, Claude, Claus, clause, claws, clock, clod, clog, clogged, clogs, clot, cloth, cob, Cobb, cock, Cod, cog, Conde, cons, cop, copse, cot, Cox, crop, cropped, crops, daubed, dawned, dawns, Doc, dock, docs, Dodd, dodge, dog, dogged, dogs, donned, dons, dot, doth, dots, draws, drop, dropped, drops, dropt, flawed, flaws, flock, flogged, flop, FOB, fog, fond, fop, fought, Fox, fraud, fraught, frock, frog, froth, gauze, gnawed, God, got, Goths, Gott, grog, haut, hawk, hob, Hobbes, hoc, hock, hod, Hodge, hog, Hogg, hogs, hommes, hop, hopped, hops, hot, Jacques, jaws, job, jog, Johns, jot, knob, knock, Knopf, knot, Knox, Kong, lat, laud, lawns, laws, Loch, lock, Locke, locks, lodge, log, longed, longs, lop, lopped, lot, loth, lots, mas, Maud, mav, mob, mock, mod, monde, Mons, mop, moth, mots, Mott, naught, nod, not, nought, Oct, odd, ons, OP, opt, ought, ox, oz, palms, pas, pause, paws, plot, pod, pond, Pons, pop, popped, pot, Pott, pox, Prague, prob, Proc, prod, prop, propped, props, Psalms, qualms, quod, Raj, rob, robbed, robs, rock, rod, rot, Roth, salve, sawed, saws, Scot, Scott, Scott's, Shaw's, shock, shod, shop, shot, Slav, slop, slot, smock, snob, sob, sobbed, sobs, sock, sod, songs, sop, sot, sought, spawned, spot, squad, squat, stalk, stock, stop, stopped, stops, straws, suave, swans, swathed, talk, taught, taut, thawed, thongs, thought, throb, throbbed, throbs, thronged, throngs, Tod, toms, tongs, top, topped, tops, tot, trod, trot, troth, vase, vox, wad, walk, wand, was, Wat, Watt, wot, wronged, wrongs, wroth, wrought, yacht, yawned
2 Syllables: SU
cannot, Punjab
2 Syllables: US
3 Syllables: UUS

Found 326 words across 4 groupings. Skipped 81 excess words of a similar stem.