1 Syllable: S
alms, auch, aunt, balm, blond, blonde, bom, bomb, bon, bonds, Bonn, bonne, Bos, bras, Braun, bronze, broth, Caen, calm, cars, cause, Chas, Claus, clause, claws, cloth, com, Comm, Comp, Comte, con, Conde, Cong, Conn, cons, Const, Conte, cos, cost, cough, Croft, cross, Das, dawn, dodge, dom, don, donned, dons, dont, dos, dost, doth, drawn, draws, dross, fawn, flaws, fond, font, frost, froth, gaunt, gauze, gloss, gone, gong, Goths, Gough, Grosse, Hahn, Han, haunt, Hodge, homme, Hon, Hong, jaws, John, Jon, Jong, Juan, Kahn, Khan, Knopf, Koch, Kong, las, launch, lawn, laws, lodge, loft, Lon, long, Los, lost, loth, mam, mas, masque, mav, mom, mon, monde, Mons, Mont, mos, mosque, moss, moth, nom, non, notch, off, oft, on, oz, palm, pas, pause, pawn, paws, pomp, pon, ponds, Pons, Pont, Prof, Prom, prompt, Psalm, qualms, quam, Raj, rom, Ron, Ross, Roth, salve, sauce, sawn, saws, scoff, Scotch, Shaw's, Slav, soft, som, Somme, song, spawn, squash, staunch, straws, strong, suave, swamp, Swan, swathed, tang, taunt, thon, thong, throng, tian, Tom, tongs, toss, troth, trough, vase, Vaughan, von, vos, waft, wan, want, was, wash, wasp, wast, watch, won, wrong, wroth, yawn, yon
2 Syllables: SU
baton, enfant, Islam, Milan
2 Syllables: US
3 Syllables: UUS

Found 254 words across 4 groupings. Skipped 74 excess words of a similar stem.