Or search: godly, pious, adoring, reverent
3 Syllables: SUU
cervical, permeable, purposeful, terminal, versatile, vertebral, virginal, workable
4 Syllables: USUU
convertible, discernible, impersonal, observable, reversible, transferable, unworkable
5 Syllables: UUSUU
interpersonal, irreversible

Found 17 words across 3 groupings. Skipped 1 excess word of a similar stem.