2 Syllables: SU
barest, barrack, Becket, belted, Bennett, carrot, chestnut, credit, crevice, despot, edit, Eliot, Eliot's, Elliot, Elliott, epoch, Everett, ferret, ferrous, freshest, headless, heiress, helmet, jealous, legate, Lennox, Lenox, lettuce, melted, menace, merest, merit, necklace, parrot, precious, PREFACE, premised, rarest, reckless, restless, Senate, separate, setup, sheriff, tariff, tenet, tennis, terrace, trellis, trespass, velvet, Venice, waistcoat, zealots, zealous
3 Syllables: USU
asbestos, demerit, develop, develope, develops, discredit, embarrass, envelop, impetuous, incestuous, inherit, Marcellus, Vincennes
4 Syllables: UUSU
5 Syllables: UUUSU
Found 70 words across 4 groupings. Skipped 20 excess words of a similar stem.