2 Syllables: SU
bending, Benson, Bentham, Benton, blending, Bremen, cleansing, Clemens, Clement, denning, drenching, emblem, ending, engine, ensign, entrance, fencing, Fenton, Fleming, Jenkins, Jennings, Jensen, Kenyon, lemon, lending, lengthen, Lenin, mending, mention, penance, penchant, pendant, pendent, pending, Penguin, pennant, pension, Plenum, quenching, Quentin, remnant, rending, renting, semblance, sending, sensing, sentence, sentient, spending, stemming, strengthen, temperance, tempting, tenant, tending, tendon, tension, trembling, trenchant, Trenton, vengeance, venom, venting, wrenching
3 Syllables: SUU
3 Syllables: USU
abstention, amending, amendment, ascendant, ascending, ascension, assembling, assenting, attempting, attendance, attendant, attending, attention, avenging, cementing, commencement, commencing, commending, compendium, condemning, condensing, consenting, contending, contenting, contention, contentment, convention, declension, defendant, defending, dependant, dependence, dependent, depending, descendant, descending, detention, dimension, dispensing, dissension, dissenting, entrenchments, exempting, exemption, expending, extending, extension, fermenting, impending, intending, intention, inventing, invention, lamenting, Lieutenant, millennium, momentum, offending, presenting, presentment, pretending, pretension, preventing, prevention, redemption, remembering, remembrance, repentance, repentant, repenting, resemblance, resembling, resenting, resentment, resplendent, retention, retrenchment, suspending, suspension, transcendence, transcendent, transcending, unbending, unending
4 Syllables: UUSU
apprehending, apprehension, comprehending, comprehension, condescending, condescension, contravention, hypertension, inattention, independence, independent, intervention, recommending, referendum, representing, supplementing, unoffending, unrelenting
5 Syllables: UUUSU
Found 173 words across 5 groupings. Skipped 43 excess words of a similar stem.