2 Syllables: SU
beaming, beating, being, bleaching, bleating, bleeding, breathing, breeding, ceasing, ceding, ceiling, cheating, cheering, cleaning, clearing, cleaving, creaking, creeping, dealing, deeming, dreaming, earrings, easing, eating, evening, fearing, feasting, feeding, feeling, Fielding, fleeing, fleeting, freeing, freezing, gearing, gleaming, gleanings, greeting, grieving, healing, heaping, hearing, heating, heaving, heeding, jeering, keeping, kneeling, leading, leaking, leaning, leaping, leasing, leaving, meaning, meeting, nearing, needing, peeling, peeping, peering, pleading, pleasing, preaching, precinct, reaching, reading, realism, reaping, rearing, reeking, reeling, scheming, screaming, screeching, screening, sealing, seating, seeding, seedlings, seeing, seeking, seeming, seething, seizing, shearing, sheepskin, shielding, shrieking, sleeping, sneaking, sneering, sneezing, speaking, speeding, squeaking, squeezing, stealing, steaming, steering, streaming, sweeping, syringe, teaching, tearing, teasing, teeming, thieving, treating, weaning, weaving, weeding, weekend, weeping, wheeling, wielding, yielding
3 Syllables: SUU
3 Syllables: USU
achieving, adhering, agreeing, appealing, appearing, appeasing, believing, beseeching, besieging, competing, completing, concealing, conceding, conceiving, convening, deceiving, defeating, displeasing, endearing, entreating, exceeding, farreaching, fatiguing, foreseeing, impeding, increasing, intriguing, misleading, perceiving, policemen, policing, preceding, proceeding, reappearing, receding, receiving, redeeming, releasing, relieving, repealing, repeating, retreating, retrieving, revealing, succeeding, unceasing, unfeeling, unpleasing, unreasoning, unyielding, wellbeing
4 Syllables: UUSU
disagreeing, disappearing, domineering, engineering, guaranteeing, interfering, intervening, overweening, persevering, pioneering, superseding, unbelieving, volunteering
5 Syllables: UUUSU
Found 183 words across 5 groupings. Skipped 18 excess words of a similar stem.