2 Syllables: SU
airing, Baring, bearing, bedding, begging, bending, betting, blending, blessing, caring, Charing, checking, cleansing, daring, denning, destined, dreading, dredging, drenching, dressing, dwelling, ebbing, edging, Edwin, ending, erring, etching, felling, fencing, fetching, flaring, Fleming, fretting, getting, glaring, guessing, heading, Helen's, herring, Jenkins, Jennings, jesting, larynx, lending, Lenin, Lessing, letting, leveling, Levin, meddling, mending, nesting, nestling, netting, pairing, paring, pecking, pending, pharynx, pledging, pressing, quenching, Quentin, reading, rending, renting, resin, resting, selling, sending, sensing, setting, settling, sharing, shedding, shelling, sketching, smelling, sparing, spelling, spending, spreading, squaring, staring, stemming, stepping, stressing, stretching, swearing, sweating, swelling, tearing, telling, tempting, tending, testing, threading, threshing, treading, trembling, venting, vesting, wearing, wedding, welling, wetting, wrecking, wrenching, wresting, wrestling, yelling
3 Syllables: SUU
3 Syllables: USU
abetting, addressing, alleging, amending, arresting, ascending, assembling, assenting, assessing, attempting, attending, attesting, avenging, begetting, besetting, caressing, cementing, clandestine, commencing, commending, comparing, compelling, compressing, condemning, condensing, confessing, consenting, contending, contenting, contesting, declaring, defending, depending, depressing, descendants, descending, despairing, dispelling, dispensing, dissenting, distressing, endeavoring, excelling, exempting, expelling, expending, expressing, extending, fermenting, forbearing, foretelling, forgetting, impairing, impelling, impending, impressing, indwelling, intending, inventing, investing, lamenting, offending, oppressing, possessing, preparing, presenting, pretending, preventing, professing, progressing, propelling, rebelling, refreshing, regretting, remembering, repairing, repelling, repenting, repressing, requesting, resembling, resenting, suggesting, suppressing, suspending, transcending, transgressing, unbending, undressing, unending, unerring, unsettling, unsparing, upsetting
4 Syllables: UUSU
apprehending, comprehending, condescending, overbearing, prepossessing, recommending, supplementing, unoffending, unrelenting
5 Syllables: UUUSU
Found 217 words across 5 groupings. Skipped 12 excess words of a similar stem.