3 Syllables: SUU
deputy, dreadfully, ecstasy, expertly, functionally, nationally, rationally, readily, rectory, steadily
4 Syllables: SUUU
criminally, dexterously, excellently, marginally, nominally, personally
4 Syllables: USUU
acceptably, complexity, conditionally, expectancy, originally, perplexity, proportionally, provisionally, refectory, regretfully, respectably, respectfully, successfully, traditionally, trajectory
5 Syllables: USUUU
Additionally, affectionately, conventionally, diagonally, inexorably, intentionally, occasionally, professionally
5 Syllables: UUSUU
Directory, educationally, unconditionally, unintentionally, unsuccessfully
6 Syllables: UUSUUU
constitutionally, longitudinally

Found 46 words across 6 groupings.