2 Syllables: SU
airing, Baring, bearing, bedding, begging, betting, beverage, blesses, blessing, caring, Charing, checking, daring, denning, destined, dreading, dredging, dresses, dressing, dwelleth, dwelling, ebbing, edges, edging, Edwin, Elgin, erring, etching, felling, festive, fetching, flaring, Fleming, fretting, getting, glaring, guesses, guessing, heading, hedges, helping, herring, Jennings, jesting, Kenneth, larynx, ledges, Lenin, Lessing, letting, leveling, Levin, marriage, meddling, melting, Melvin, meshes, message, messes, nesting, nestling, netting, pairing, paring, pecking, pelting, pharynx, pledges, pledging, presage, presses, pressing, reading, resin, resting, restive, selling, setting, settling, sharing, shedding, shelling, shelving, sketches, sketching, smelling, smelting, sparing, spelling, spreading, squaring, staring, stemming, stepping, stresses, stressing, stretches, stretching, swearing, sweating, swelling, tearing, telling, testing, threading, threshing, treading, tresses, vestige, vesting, wearing, wedding, wedges, welding, welling, wetting, wreckage, wrecking, wresting, wrestling, wretches, yelling
3 Syllables: SUU
3 Syllables: USU
abetting, addresses, addressing, aggressive, alleges, alleging, arresting, assessing, attesting, begetting, besetting, caresses, caressing, clandestine, comparing, compelling, compressing, condemning, confesses, confessing, consenting, contesting, declaring, depresses, depressing, descendants, despairing, digestive, disparage, dispelling, dissenting, distresses, distressing, endeavoring, excelling, excesses, excessive, expelling, expresses, expressing, expressive, forbearing, foretelling, forgetting, impairing, impelling, impresses, impressing, impressive, incentive, indwelling, investing, obsessive, oppresses, oppressing, oppressive, percentage, possesses, possessing, possessive, preparing, preventing, preventive, professes, professing, progressing, progressive, propelling, rebelling, refreshing, regressive, regretting, repairing, repelling, repressing, repressive, requesting, resenting, successes, successive, suggesting, suggestive, suppresses, suppressing, transgressing, undressing, unerring, unsettling, unsparing, upsetting
4 Syllables: UUSU
Found 220 words across 4 groupings. Skipped 12 excess words of a similar stem.