1 Syllable: S
10, am, Ben, bench, bend, bent, blend, Brent, cent, Chem, cleanse, clenched, dem, den, denned, dens, dense, dent, dreamt, drenched, end, ent, femme, fen, fence, fend, fens, French, friend, gem, Gen, gent, Glen, Glenn, hem, hemmed, hemp, hen, hence, hens, Jen, Kemp, ken, Kent, len, lends, length, lens, lent, M, mam, meant, mem, men, n, pen, pence, Penn, pens, pent, quench, rem, ren, rent, scent, seme, sen, sends, sens, sense, sent, Spence, spend, spent, stem, stemmed, stems, stench, strength, temp, tempt, ten, tends, Tenn, tens, tense, tent, tenth, tents, Thames, them, then, thence, trench, trend, Trent, vent, wen, wench, went, when, whence, Wren, wrench, yen
2 Syllables: SU
7, Aaron, accent, Baron, barren, beckon, Bedlam, bellum, Bremen, brethren, Breton, cession, Clarence, Clemens, Clement, content, crescent, currant, deaden, deference, Devon, Edwin, Ellen, errand, errant, Essen, essence, Evan, felon, ferment, freshened, freshman, harem, heaven, Helen, heron, Hessian, incense, Karen, leaden, leaven, Leben, legend, lemon, Lenin, lessen, lesson, melon, parent, peasant, Pelham, penance, pennant, pheasant, pleasant, Plenum, preference, presence, present, pression, Preston, question, reckon, reddened, reference, resin, Reverend, second, segment, session, seven, Sharon, Stephens, tenant, Terence, threaten, torment, vellum, venom, veteran, weapon, weren, Wesleyan, Weston
2 Syllables: US
again, against, Amen, amends, append, ascend, ascent, assent, attempt, attend, augment, avenge, befriend, cement, commence, commend, condemn, condense, consent, contemned, contempt, contend, defence, defend, defense, depend, descend, descent, dispense, dissent, entrenched, event, exempt, expence, expend, expense, extend, extent, immense, intend, intense, intent, intrenched, invent, lament, offence, offend, offense, percent, pretence, pretend, pretense, prevent, relent, repent, resent, revenge, schoolmen, suspend, suspense, transcend, unkempt
3 Syllables: SUU
3 Syllables: USU
aberrant, accession, aggression, apparent, assessment, compression, concession, confession, congestion, contestants, depression, digestion, digression, discretion, equestrian, expression, fluorescent, forbearance, impression, incessant, ingestion, inherent, intestine, investment, Lieutenant, Magellan, obsession, oppression, pedestrian, possession, predestined, procession, profession, progression, quiescence, quiescent, quintessence, recession, refreshment, regression, repellent, repression, secession, succession, suggestion, suppression, transgression, transparent, unpleasant, unquestioned
3 Syllables: UUS
apprehend, circumvent, commonsense, comprehend, condescend, discontent, Lucien, Madeleine, malcontents, penitents, recommence, recommend, represent, supplements, underwent
4 Syllables: UUSU
acquiescence, adolescence, adolescent, cerebellum, convalescence, convalescent, effervescence, evanescent, incandescent, indigestion, indiscretion, intercession, iridescent, Mahometan, obsolescence, omnipresence, omnipresent, phosphorescent, prepossessions, retrogression
4 Syllables: UUUS
Found 342 words across 8 groupings. Skipped 128 excess words of a similar stem.