1 Syllable: S
auch, blocks, blots, bos, box, bras, broth, cars, cause, chas, chops, claus, clause, claws, clocks, cloth, cocks, cops, copse, cos, cost, cough, cox, croft, crops, cross, das, docks, docs, dodge, dos, dost, doth, dots, draws, drops, dross, flaws, flocks, fox, frocks, frost, froth, gauze, gloss, goths, gough, grosse, hawks, hodge, hops, jaws, knocks, knopf, knots, knox, koch, las, laws, locks, lodge, loft, los, lost, loth, lots, mas, masque, mav, mocks, mos, mosque, moss, moth, mots, notch, nots, off, oft, ox, oz, pas, pause, paws, plots, pots, pox, prof, props, raj, rocks, ross, roth, sachs, salve, sauce, saws, scoff, scotch, scots, scott's, shaw's, shocks, shops, shots, slav, slots, socks, soft, spots, squash, stalks, stocks, stops, straws, suave, swathed, talks, thoughts, tops, toss, troth, trough, vase, vos, vox, waft, walks, was, wash, wasp, wast, watched, watts, wroth, yachts
2 Syllables: US
across, adopts, aloft, alsace, applause, approx, barrage, because, debauch, despots, dislodge, embossed, exhaust, garage, imposts, massage, mirage, recrossed, unwashed, withdraws
3 Syllables: UUS
Found 157 words across 3 groupings. Skipped 28 excess words of a similar stem.