2 Syllables: SU
barium, Benson, Bentham, Benton, Bremen, carrion, clarion, Clemens, Clement, emblem, engine, ensign, entrance, Fenton, Jenkins, Jensen, Kenyon, lemon, lengthen, Lenin, Marion, mention, penance, penchant, pendant, pendent, Penguin, pennant, pension, Plenum, remnant, requiem, semblance, sentence, sentient, strengthen, temperance, tenant, tendon, tension, trenchant, Trenton, variance, variant, vengeance, venom
3 Syllables: SUU
3 Syllables: USU
abstention, agrarian, amendment, aquarium, ascendant, ascension, attendance, attendant, attention, barbarian, Bavarian, Bulgarian, commencement, compendium, contention, contentment, convention, declension, defendant, dependant, dependence, dependent, descendant, detention, dimension, dissension, entrenchments, equestrian, exemption, extension, grammarian, Hungarian, intention, invention, librarian, Lieutenant, momentum, ovarian, pedestrian, presentment, pretension, prevention, redemption, remembrance, repentance, repentant, resemblance, resentment, resplendent, retention, retrenchment, sectarian, suspension, transcendence, transcendent
4 Syllables: UUSU
antiquarian, apprehension, comprehension, condescension, contravention, hypertension, inattention, independence, independent, intervention, proletarian, referendum, Unitarian, vegetarian
5 Syllables: UUUSU
authoritarian, disciplinarian, egalitarian, humanitarian, interdependence, interdependent, misapprehension, superintendence, superintendent, totalitarian, utilitarian
Found 132 words across 5 groupings. Skipped 48 excess words of a similar stem.