3 Syllables: SUU
credulous, decorous, delegates, edifice, estimates, Federalist, garrulous, generous, Genesis, Methodist, Pegasus, perilous, pleasantest, pleasantness, prejudiced, querulous, recklessness, requisites, restlessness, tetanus, treacherous, venomous
4 Syllables: USUU
asparagus, confederates, degenerates, Emeritus, incredulous, prerequisites, ungenerous, unpleasantness
Found 30 words across 2 groupings. Skipped 1 excess word of a similar stem.