Or search: pool, fishpond, horsepond
1 Syllable: S
alms, aud, aunt, awed, balm, baud, blond, blonde, Bob, bobbed, bod, bog, bogged, bogs, bom, bomb, bon, bonds, Bonn, bonne, Braun, broad, bronze, broth, Caen, calm, cars, cause, Chas, Claude, Claus, clause, claws, clod, clog, clogged, clogs, cloth, cob, Cobb, Cod, cog, com, Comm, Comp, Comte, con, Conde, Cong, Conn, cons, Const, Conte, daubed, dawn, Dodd, dodge, dog, dogged, dogs, dom, don, donned, dons, dont, doth, drawn, draws, fawn, flawed, flaws, flogged, FOB, fog, fond, font, fraud, frog, froth, gaunt, gauze, gnawed, God, gone, gong, Goths, grog, Hahn, Han, haunt, hob, Hobbes, hod, Hodge, hog, Hogg, hogs, homme, Hon, Hong, jaws, job, jog, John, Jon, Jong, Juan, Kahn, Khan, knob, Kong, laud, launch, lawn, laws, lodge, log, Lon, long, loth, mam, mas, Maud, mav, mob, mod, mom, mon, monde, Mons, Mont, moth, nod, nom, non, odd, on, oz, palm, pas, pause, pawn, paws, pod, pomp, pon, Pont, Prague, prob, prod, Prom, prompt, Psalm, qualms, quam, quod, Raj, rob, robbed, robs, rod, rom, Ron, Roth, salve, sawed, sawn, saws, Shaw's, shod, Slav, snob, sob, sobbed, sobs, sod, som, Somme, song, spawn, squad, staunch, straws, strong, suave, swamp, Swan, swathed, tang, taunt, thawed, thon, thong, throb, throbbed, throbs, throng, tian, Tod, Tom, tongs, trod, troth, vase, Vaughan, von, wad, wan, want, was, won, wrong, wroth, yawn, yon
2 Syllables: SU
baton, enfant, Islam, Milan, Punjab
2 Syllables: US
3 Syllables: UUS

Found 279 words across 4 groupings. Skipped 74 excess words of a similar stem.