2 Syllables: SU
barest, barrack, Becket, Bennett, breathless, carrot, chestnut, credit, crevice, deafness, despot, dresses, edges, edit, epoch, Everett, ferret, ferrous, freshest, freshness, headless, heaviest, heiress, jealous, legate, Lennox, Lenox, lettuce, leverage, menace, merest, merit, message, necklace, parrot, pellets, precious, PREFACE, premised, presses, rarest, reckless, restless, Senate, separate, setup, sheriff, sketches, stresses, stretches, tariff, tenet, tennis, terrace, trellis, trespass, Venice, waistcoat, wedges, zealots, zealous
3 Syllables: SUU
baronet, cleverness, compresses, credulous, decorous, deficit, definite, delegate, delicate, desolate, edifice, estimate, etiquette, Federalist, garrulous, generous, Genesis, Methodist, Pegasus, perilous, prejudiced, progresses, querulous, recklessness, requisite, resinous, restlessness, tetanus, treacherous, venomous
3 Syllables: USU
asbestos, demerit, depresses, develop, develope, develops, discredit, embarrass, envelop, expresses, impetuous, incestuous, inherit, Marcellus, possesses, successes, Vincennes
4 Syllables: USUU
asparagus, confederate, Connecticut, degenerate, Emeritus, incredulous, indefinite, inveterate, prerequisite, ungenerous
4 Syllables: UUSU
5 Syllables: UUSUU
5 Syllables: UUUSU
Found 121 words across 7 groupings. Skipped 26 excess words of a similar stem.