2 Syllables: SU
Everett
3 Syllables: SUU
baronet, credulous, decorous, deficit, definite, delegate, delicate, desolate, edifice, estimate, etiquette, Federalist, garrulous, generous, Genesis, Methodist, Pegasus, perilous, pleasantest, pleasantness, prejudiced, querulous, recklessness, requisite, resinous, restlessness, tetanus, treacherous, venomous
4 Syllables: USUU
asparagus, confederate, Connecticut, degenerate, Emeritus, incredulous, indefinite, inveterate, prerequisite, ungenerous, unpleasantness
5 Syllables: UUSUU
Found 42 words across 4 groupings. Skipped 7 excess words of a similar stem.