1 Syllable: S
2 Syllables: SU
7, Aaron, arid, Baron, barren, beckon, Bedlam, bellum, Benson, Bentham, Benton, breasted, Bremen, brethren, Breton, cession, cherub, Clarence, Clemens, Clement, crescent, currant, deaden, deference, Devon, ebbed, Edwin, Ellen, emblem, engine, ensign, entrance, errand, errant, Essen, essence, Evan, felon, Fenton, fetid, freshened, harem, headed, heaven, Helen, Herod, heron, Hessian, Jenkins, Jensen, Karen, Kenyon, leaden, leaven, Leben, legend, lemon, lengthen, Lenin, lessen, lesson, melon, mention, method, nested, parent, peasant, Pelham, penance, penchant, pendant, pendent, Penguin, pennant, pension, petted, pheasant, pleasant, Plenum, preference, presence, present, pression, Preston, question, reckon, reddened, reference, remnant, resin, rested, Reverend, second, semblance, sentence, sentient, session, seven, Sharon, Stephens, strengthen, temperance, tenant, tendon, tension, Terence, threaded, threaten, trenchant, Trenton, vellum, vengeance, venom, veteran, weapon, wedded, weren, Weston
3 Syllables: SUU
3 Syllables: USU
aberrant, abstention, accession, aggression, amendment, apparent, arrested, ascendant, ascension, assessment, attendance, attendant, attention, commencement, compendium, compression, concession, confession, congested, contention, contentment, contestants, contested, convention, declension, defendant, dependant, dependence, dependent, depression, descendant, detention, digression, dimension, discretion, dissension, entrenchments, exemption, expression, extension, fluorescent, forbearance, impression, incessant, inherent, intention, intestine, intrepid, invention, invested, investment, Lieutenant, Magellan, millennium, momentum, obsession, oppression, possession, predestined, presented, presentment, pretension, prevention, procession, profession, progression, quiescence, quiescent, quintessence, recession, redemption, regression, relented, remembrance, repellent, repentance, repentant, repression, requested, resemblance, resented, resentment, resplendent, retention, retrenchment, secession, succession, suggested, suppression, suspension, transcendence, transcendent, transgression, transparent, unpleasant
4 Syllables: UUSU
acquiescence, adolescence, adolescent, apprehension, cerebellum, comprehension, condescension, contravention, convalescence, convalescent, effervescence, evanescent, hypertension, inattention, incandescent, independence, independent, indiscretion, intercession, intervention, iridescent, Mahometan, obsolescence, omnipresence, omnipresent, phosphorescent, prepossessions, referendum, represented, retrogression
5 Syllables: UUUSU
Found 253 words across 6 groupings. Skipped 91 excess words of a similar stem.