2 Syllables: SU
Benson, Bentham, Benton, Bremen, Clemens, Clement, emblem, ended, engine, ensign, entrance, Fenton, Jenkins, Jensen, Kenyon, lemon, lengthen, Lenin, mention, penance, penchant, pendant, pendent, Penguin, pennant, pension, Plenum, remnant, rented, semblance, sentence, sentient, strengthen, temperance, tempted, tenant, tended, tendon, tension, trenchant, Trenton, vengeance, venom
3 Syllables: SUU
3 Syllables: USU
abstention, amendment, ascendant, ascended, ascension, attempted, attendance, attendant, attended, attention, augmented, commencement, compendium, contented, contention, contentment, convention, declension, defendant, defended, dependant, depended, dependence, dependent, descendant, descended, detention, dimension, dissension, entrenchments, exemption, extended, extension, fermented, intention, invented, invention, Lieutenant, millennium, momentum, offended, presented, presentment, pretended, pretension, prevention, redemption, remembrance, repentance, repentant, resemblance, resented, resentment, resplendent, retention, retrenchment, suspended, suspension, transcendence, transcendent
4 Syllables: UUSU
apprehended, apprehension, comprehension, condescension, contravention, hypertension, inattention, independence, independent, intervention, recommended, referendum, represented
5 Syllables: UUUSU
Found 122 words across 5 groupings. Skipped 42 excess words of a similar stem.