1 Syllable: S
auch, Bos, bras, broth, cars, cause, Chas, Claus, clause, claws, cloth, cos, cost, cough, Croft, cross, Das, dodge, dos, dost, doth, draws, dross, flaws, frost, froth, gauze, gloss, Goths, Gough, Grosse, Hodge, jaws, Knopf, Koch, las, laws, lodge, loft, Los, lost, loth, mas, masque, mav, mos, mosque, moss, moth, notch, off, oft, oz, pas, pause, paws, Prof, Raj, Ross, Roth, salve, sauce, saws, scoff, Scotch, Shaw's, Slav, soft, squash, straws, suave, swathed, toss, troth, trough, vase, vos, waft, was, wash, wasp, wast, watch, wroth
2 Syllables: US
across, aloft, Alsace, applause, barrage, because, debauch, dislodge, embossed, exhaust, garage, imposts, massage, mirage, recrossed, unwashed, withdraws
3 Syllables: UUS
Found 102 words across 3 groupings. Skipped 28 excess words of a similar stem.