1 Syllable: S
as, auch, Bess, best, Beth, bets, bless, blest, blocks, blots, Bos, box, bras, breast, breath, Brest, broth, cars, cause, cess, Chas, checks, chef, cheques, chess, chest, chez, chops, Claus, clause, claws, cleft, clocks, cloth, cocks, cops, copse, cos, cost, cough, Cox, crest, Croft, crops, cross, cus, Das, deaf, death, debts, decks, deft, des, desk, docks, docs, dodge, dos, dost, doth, dots, draws, dress, drops, dross, edge, eft, ers, ess, esse, etched, ex, f, fetch, flaws, fledged, flesh, flocks, Fox, fresh, frocks, frost, froth, gauze, gets, gloss, Goths, Gough, Grosse, guess, guest, hawks, hedge, Heft, Hess, Hesse, Hodge, hops, ins, jaws, Jeff, jest, jets, knocks, Knopf, knots, Knox, Koch, laws, ledge, left, les, lest, lets, Lev, lex, locks, lodge, loft, Los, lost, loth, lots, mas, masque, mav, mesh, mess, Metz, mocks, mos, mosque, moss, moth, mots, necks, nes, nest, nets, next, notch, nots, off, oft, ox, oz, pas, pause, paws, pest, pets, pledge, plots, pots, pox, pres, Presse, Prof, props, ques, quest, Raj, ref, reft, rest, Rev, Rex, rocks, Ross, Roth, s, saith, salve, sauce, saws, says, scoff, Scotch, Scots, Scott's, sects, Sess, Seth, sets, sex, Shaw's, shocks, shops, shots, sketch, Slav, sledge, slots, socks, soft, specks, spots, squash, stalks, steppes, steps, stocks, stops, straws, stress, stretch, suave, swathed, talks, test, Tex, text, theft, thoughts, threats, tops, toss, tres, troth, trough, vase, vest, vex, vos, vox, waft, walks, was, wash, wasp, wast, watch, Watts, wedge, West, West's, wrecks, wrest, wretch, wroth, X, yachts, Yes, zest
2 Syllables: SU
2 Syllables: US
3 Syllables: UUS
4 Syllables: UUUS

Found 373 words across 5 groupings. Skipped 92 excess words of a similar stem.