2 Syllables: SU
3 Syllables: SUU
aeroplane, barricade, celebrate, decorate, dedicate, delegate, deprecate, desolate, educate, elevate, emanate, emigrate, estimate, generate, hesitate, meditate, Paraguay, penetrate, predicate, segregate, separates, venerate
4 Syllables: USUU
accelerate, commemorate, confederate, degenerate, disseminate, investigate, necessitate, perpetuate, regenerate
5 Syllables: UUSUU
Found 34 words across 4 groupings. Skipped 15 excess words of a similar stem.