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, Ian, 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, boatman, Bolton, bonum, Bowen, Bowman, broken, chieftain, chosen, chromium, clearance, Cleveland, cloven, coachman, cogent, Cohen, Coleman, colon, credence, deacon, decent, deepen, demon, deviant, Eastman, Easton, eaten, Eaton, Eden, Ephraim, Eton, ference, Freedman, freedmen, freedom, Freeman, Freeman's, frequent, Friedman, frozen, golden, Goldman, Grecian, Greenland, grievance, heathen, helium, holden, homespun, legion, Leland, lenient, lesion, loathsome, Logan, lonesome, median, medium, modem, molten, moment, motion, Museum, notion, oaken, Oakland, ocean, odium, olden, Olson, omen, open, opium, Owen, Pekin, piquant, poem, Poland, postman, potent, potion, premium, prescience, Provence, quotient, reagent, reason, recent, refund, Regent, region, rodents, Roland, Roman, Rosen, Rowan, Rowland, seaman, seamen, season, semen, sequence, serum, slogan, sodium, Solon, spoken, spokesman, Stephen, Steven, stolen, Sweden, sweeten, swollen, tedium, theorem, token, totem, treason, treatment, Trojan, weaken, wholesome, woven, yeoman, yeomen, 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, ammonium, appearance, Archdeacon, Armenian, Athenian, atonement, beholden, bereavement, betokened, Bohemian, Cartesian, chameleon, coherence, coherent, cohesion, comedian, commotion, completion, component, concealment, condolence, convenience, convenient, corrosion, custodian, depletion, devotion, emboldened, emporium, encomium, encroachment, enrollment, enrolment, Ephesians, erosion, eulogium, excretion, expedient, explosion, exponents, historian, impeachment, indecent, infrequent, ingredient, Ionian, magnesium, Mongolian, Napoleon, Napoleon's, Newtonian, Norwegian, obedience, obedient, opponent, opprobrium, outspoken, petroleum, Phoenician, policeman, postponement, promotion, proponents, reappearance, reopen, secretion, Smithsonian, Symposium, theologian, unbroken, uneven, unfrequent, unopened, unspoken, unwholesome, Utopian, Venetian, Victorian
3 Syllables: UUS
4 Syllables: UUSU
antecedent, auditorium, Babylonian, disagreement, disappearance, disobedience, disobedient, epithelium, Ethiopian, incoherence, incoherent, inconvenience, inconvenient, inexpedient, interference, interwoven, locomotion, Macedonian, pandemonium, paroxysms, perseverance
4 Syllables: UUUS
5 Syllables: UUUSU
Found 396 words across 9 groupings. Skipped 123 excess words of a similar stem.