1 Syllable: S
1, an, ance, blunt, brunt, bum, bump, bums, bun, bunch, Bund, bunk, Chron, chum, chunk, clump, clung, come, Conf, cont, crumb, cum, done, Donne, drum, drunk, dum, dumb, dump, dun, dung, Dunn, Duns, flung, from, front, fun, funds, Funk, grunt, gum, gun, HM, hum, hummed, hump, hun, hunch, hung, Huns, hunt, jump, Jun, junk, leant, lump, lunch, Lund, lung, ment, monk, month, mum, none, numb, nun, once, one, plum, plumb, plump, plums, plunge, pump, pun, punch, puns, rum, rump, run, rung, runs, scum, shrunk, shun, shunned, sions, slum, slump, slums, slung, slunk, some, son, sponge, sprung, spun, strung, stump, stung, stunned, stunt, sum, summed, sums, sun, sung, sunk, suns, swung, than, thumb, thump, ton, tongue, tons, trump, trunk, tum, tun, tung, um, un, won, wrung, young, Young's
2 Syllables: SU
alum, beacon, beaten, chieftain, clearance, Cleveland, credence, deacon, decent, deepen, demon, deviant, Eastman, Easton, eaten, Eaton, Eden, Ephraim, Eton, ference, Freedman, freedmen, freedom, Freeman, Freeman's, frequent, Friedman, Grecian, Greenland, grievance, heathen, helium, legion, Leland, lenient, lesion, median, medium, Museum, Pekin, piquant, premium, prescience, reagent, reason, recent, refund, Regent, region, seaman, seamen, season, semen, sequence, serum, Stephen, Steven, Sweden, sweeten, tedium, theorem, treason, treatment, weaken, Zealand
2 Syllables: US
affront, Amiens, among, amongst, become, begun, benumbed, Bodleian, confront, Crimean, defunct, expunged, Korean, Lyceum, outdone, outrun, plebeian, succumb, therefrom, undone
3 Syllables: SUU
3 Syllables: USU
accretion, achievement, adherence, adherent, adhesion, agreement, allegiance, appearance, Archdeacon, Armenian, Athenian, bereavement, Bohemian, Cartesian, chameleon, coherence, coherent, cohesion, comedian, completion, concealment, convenience, convenient, depletion, Ephesians, excretion, expedient, impeachment, indecent, infrequent, ingredient, magnesium, Norwegian, obedience, obedient, Phoenician, policeman, reappearance, secretion, uneven, unfrequent, Venetian
3 Syllables: UUS
4 Syllables: UUSU
antecedent, disagreement, disappearance, disobedience, disobedient, epithelium, incoherence, incoherent, inconvenience, inconvenient, inexpedient, interference, paroxysms, perseverance
4 Syllables: UUUS
5 Syllables: UUUSU
Found 279 words across 9 groupings. Skipped 94 excess words of a similar stem.