2 Syllables: SU
7, Aaron, Baron, barren, beckon, Bedlam, bellum, Benson, Bentham, Benton, Bremen, brethren, Breton, cession, Clarence, Clemens, Clement, crescent, currant, deaden, deference, Devon, Edwin, Ellen, emblem, engine, ensign, entrance, errand, errant, Essen, essence, Evan, felon, Fenton, freshened, harem, heaven, Helen, heron, Hessian, Jenkins, Jensen, Karen, Kenyon, leaden, leaven, Leben, legend, lemon, lengthen, Lenin, lessen, lesson, melon, mention, parent, peasant, Pelham, penance, penchant, pendant, pendent, Penguin, pennant, pension, pheasant, pleasant, preference, presence, present, pression, Preston, question, reckon, reddened, reference, remnant, resin, Reverend, second, semblance, sentence, sentient, session, seven, Sharon, Stephens, strengthen, temperance, tenant, tendon, tension, Terence, threaten, trenchant, Trenton, vellum, vengeance, venom, veteran, weapon, weren, Weston
3 Syllables: SUU
3 Syllables: USU
aberrant, abstention, accession, aggression, amendment, apparent, ascendant, ascension, assessment, attendance, attendant, attention, commencement, compendium, compression, concession, confession, contention, contentment, contestants, convention, declension, defendant, dependant, dependence, dependent, depression, descendant, detention, digression, dimension, discretion, dissension, entrenchments, exemption, expression, extension, fluorescent, forbearance, impression, incessant, inherent, intention, intestine, invention, investment, Lieutenant, Magellan, millennium, momentum, obsession, oppression, possession, predestined, presentment, pretension, prevention, procession, profession, progression, quiescence, quiescent, quintessence, recession, redemption, regression, remembrance, repellent, repentance, repentant, repression, resemblance, resentment, resplendent, retention, retrenchment, secession, succession, 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, retrogression
5 Syllables: UUUSU
Found 226 words across 5 groupings. Skipped 90 excess words of a similar stem.