2 Syllables: SU
3 Syllables: SUU
Arabic, Baroness, baronet, Benedict, benefice, benefit, blessedness, credulous, decorous, deficit, definite, delegate, delicate, derelict, desolate, edifice, estimate, etiquette, Federalist, feminist, garrulous, generous, Genesis, heretic, Methodists, Nemesis, Pegasus, perilous, prejudice, querulous, recklessness, requisite, resinous, restlessness, rhetoric, separates, specialist, terrorist, tetanus, therapist, treacherous, venomous
4 Syllables: USUU
asparagus, confederate, Connecticut, degenerate, Emeritus, incredulous, indefinite, inveterate, prerequisite, ungenerous, unprejudiced
5 Syllables: UUSUU
Found 58 words across 4 groupings. Skipped 11 excess words of a similar stem.