2 Syllables: SU
bending, blending, cleansing, denning, drenching, ending, fencing, Fleming, Jenkins, Jennings, lending, Lenin, mending, pending, quenching, Quentin, rending, renting, sending, sensing, spending, stemming, tempting, tending, trembling, venting, wrenching
3 Syllables: USU
amending, ascending, assembling, assenting, attempting, attending, avenging, cementing, commencing, commending, condemning, condensing, consenting, contending, contenting, defending, depending, descendants, descending, dispensing, dissenting, exempting, expending, extending, fermenting, impending, intending, inventing, lamenting, offending, presenting, pretending, preventing, remembering, repenting, resembling, resenting, suspending, transcending, unbending, unending
4 Syllables: UUSU
apprehending, comprehending, condescending, recommending, representing, supplementing, unoffending, unrelenting
Found 76 words across 3 groupings. Skipped 1 excess word of a similar stem.