2 Syllables: SU
airing, Baring, bearing, bedding, begging, betting, blessing, caring, Charing, checking, daring, deadening, denning, destined, dreading, dredging, dressing, dwelling, ebbing, edging, Edwin, erring, etching, felling, fetching, flaring, Fleming, fretting, getting, glaring, guessing, heading, Helen's, herring, Jennings, jesting, larynx, Lenin, Lessing, letting, leveling, Levin, meddling, nesting, nestling, pairing, paring, pecking, pharynx, pledging, pressing, reading, reckoning, resin, resting, selling, setting, settling, sharing, shedding, shelling, sketching, smelling, sparing, spelling, spreading, squaring, staring, stemming, stepping, stressing, stretching, swearing, sweating, swelling, tearing, telling, testing, threading, threatening, threshing, treading, vesting, vexing, wearing, wedding, welling, wetting, wrecking, wresting, wrestling, yelling
3 Syllables: SUU
3 Syllables: USU
abetting, accepting, addressing, affecting, alleging, annexing, arresting, assessing, attesting, begetting, besetting, caressing, clandestine, collecting, comparing, compelling, compressing, condemning, confessing, connecting, consenting, contesting, correcting, declaring, depressing, descendants, despairing, detecting, directing, direction, dispelling, dissecting, dissenting, distressing, electing, endeavoring, erecting, excelling, excepting, expecting, expelling, expressing, forbearing, foretelling, forgetting, impairing, impelling, impressing, indwelling, infecting, injecting, inspecting, investing, neglecting, objecting, oppressing, perfecting, perplexing, possessing, preparing, preventing, professing, progressing, projecting, propelling, prospecting, protecting, rebelling, reflecting, refreshing, regretting, rejecting, repairing, repelling, repressing, requesting, resenting, respecting, selecting, subjecting, suggesting, suppressing, suspecting, transgressing, undressing, unerring, unsettling, unsparing, upsetting
4 Syllables: UUSU
Found 191 words across 4 groupings. Skipped 12 excess words of a similar stem.