Or search: sequent, ensuant, attendant, happening, resultant, occurrent, collateral, consequent, incidental, occurrence, accompaniment
3 Syllables: SUU
confident, consequence, consequent, dominance, dominant, Donovan, fraudulent, Jonathan, Ottoman, prominence, prominent, Protestant, Providence, Solomon, Solomon's, tolerance, tolerant
4 Syllables: USUU
diocesan, improvidence, incompetence, incompetent, intolerance, intolerant, predominance, predominant, reconnaissance
4 Syllables: UUSU
concomitant
5 Syllables: UUSUU
cosmopolitan, metropolitan, Neapolitan

Found 30 words across 4 groupings. Skipped 1 excess word of a similar stem.