1 Syllable: S
2 Syllables: SU
barest, barrack, Becket, Bennett, carrot, chestnut, credit, desperate, despot, ebbed, edit, epoch, Everett, exit, ferret, fetid, Frederick, freshest, headed, legate, Lennox, Lenox, menaced, merest, merit, parrot, pellets, petted, prefaced, premised, rarest, Senate, setup, tenet, terraced, threaded, waistcoat, wedded, zealots
3 Syllables: SUU
Arabic, Benedict, benefit, celebrate, decorate, dedicate, delegate, deprecate, derelict, desolate, educate, effected, elevate, emanate, emigrate, estimate, extirpate, Federalists, feminist, generate, heretic, hesitate, meditate, Methodist, penetrate, predicate, rhetoric, segregate, separates, specialist, terrorist, therapist, venerate
3 Syllables: USU
collected, corrected, demerit, detected, develop, develope, develops, directed, discredit, dissected, elected, embarrassed, envelop, erected, expected, inherit, injected, intrepid, neglected, objected, perfected, projected, reflected, rejected, respected, selected, suspected
4 Syllables: USUU
accelerate, commemorate, confederate, degenerate, disseminate, interrogate, investigate, necessitate, perpetuate, regenerate, unprejudiced
4 Syllables: UUSU
5 Syllables: UUSUU
5 Syllables: UUUSU
Found 116 words across 8 groupings. Skipped 29 excess words of a similar stem.