1 Syllable: S
alms, aunt, balm, blond, blonde, bogs, bom, bomb, bon, bonds, Bonn, bonne, Braun, bronze, broth, Caen, calm, cars, cause, Chas, Claus, clause, claws, clods, clogs, cloth, com, Comm, Comp, Comte, con, Conde, Cong, Conn, cons, Const, Conte, dawn, dodge, dogs, dom, don, donned, dons, dont, doth, drawn, draws, fawn, flaws, fogs, fond, font, frauds, frogs, froth, gaunt, gauze, gods, gone, gong, Goths, Hahn, Han, haunt, Hobbes, Hodge, hogs, homme, Hon, Hong, jaws, jobs, John, Jon, Jong, Juan, Kahn, Khan, knobs, Kong, lauds, launch, lawn, laws, lodge, logs, Lon, long, loth, mam, mas, mav, mobs, mom, mon, monde, Mons, Mont, moth, nods, nom, non, odds, on, oz, palm, pas, pause, pawn, paws, pods, pomp, pon, ponds, Pont, Prom, prompt, Psalm, qualms, quam, Raj, robs, rods, rom, Ron, Roth, salve, sawn, saws, Shaw's, Slav, sobs, som, Somme, song, spawn, squads, staunch, straws, strong, suave, swamp, Swan, tang, taunt, thon, thong, throbs, throng, tian, Tom, tongs, troth, vase, Vaughan, von, wan, want, was, won, wrong, wroth, yawn, yon
2 Syllables: SU
2 Syllables: US
along, Alphonse, anon, Antoine, applause, avant, barrage, because, begone, belong, beyond, Ceylon, dislodge, Durand, embalmed, ensconced, entente, foregone, garage, Hassan, Iran, Koran, lifelong, massage, mirage, prolong, respond, response, Rouen, salon, savant, Sorbonne, Taiwan, thereon, Toulon, upon, Vermont, whereon, withdrawn, withdraws
3 Syllables: UUS
commandant, correspond, denouement, entourage, Hereupon, nonchalance, rapprochement, Renaissance, Talleyrand, thereupon, undergone, Vietnam, whereupon
Found 222 words across 4 groupings. Skipped 57 excess words of a similar stem.