2 Syllables: SU
Abbot, Abbott, agate, Alex, Arab, arid, arras, Assoc, Atlas, ballast, ballot, barest, barrack, basket, Becket, Bennett, blackest, brackets, Cabot, Caliph, callous, carrot, casket, Cassius, chariot, cherub, chestnut, credit, crevice, Dallas, damask, despot, edit, epoch, Everett, facet, faggots, fastest, ferret, ferrous, freshest, gallop, gamut, gratis, gravest, habit, hammock, hapless, Harriet, hatchet, havoc, headless, heiress, Herod, jacket, Janet, jealous, lapis, lattice, legate, Lennox, Lenox, lettuce, Madras, malice, mattress, menace, merest, merit, necklace, packet, paddock, Paget, palace, palate, palette, Pallas, pallet, parrot, pellets, planet, precious, PREFACE, premised, rabbit, rarest, reckless, restless, saddest, Senate, separate, setup, sheriff, status, tablet, tariff, tenet, tennis, terrace, trellis, trespass, Venice, waistcoat, zealots, zealous
3 Syllables: SUU
3 Syllables: USU
analysed, asbestos, Damascus, demerit, develop, develope, develops, disastrous, discredit, elaborate, embarrass, envelop, impetuous, incestuous, inhabit, inherit, Johannes, Marcellus, paralysed, Parnassus, Vincennes
4 Syllables: UUSU
5 Syllables: UUUSU
Found 135 words across 5 groupings. Skipped 31 excess words of a similar stem.