3 Syllables: SUU
3 Syllables: UUS
4 Syllables: USUU
abilities, ability, agility, appreciably, civilities, civility, conceivably, debility, docility, facilities, fertility, fragility, futility, hostilities, hostility, immediately, mobility, nobility, obesity, servility, soliloquy, unspeakably, utilities, utility, virility
4 Syllables: UUUS
5 Syllables: UUSUU
amiability, capabilities, capability, disabilities, feasibility, flexibility, inconceivably, irretrievably, liabilities, possibilities, possibility, probabilities, probability, versatility, viability, volatility, volubility
5 Syllables: UUUUS
6 Syllables: UUUSUU
acceptability, adaptability, applicability, availability, compatibility, impossibilities, irritability, practicability, reliability, responsibilities, responsibility, susceptibilities, susceptibility
6 Syllables: UUUUUS
7 Syllables: UUUUSUU
Found 69 words across 9 groupings. Skipped 2 excess words of a similar stem.