3 Syllables: SUU
functionally, nationally, rationally
4 Syllables: SUUU
commonalty, criminally, honorably, honourably, hospitably, marginally, moderately, ominously, personally, profitably, tolerably
4 Syllables: USUU
conditionally, exceptionally, originally, proportionally, provisionally, traditionally
5 Syllables: USUUU
Additionally, anonymously, conventionally, diagonally, intentionally, intolerably, occasionally, professionally
5 Syllables: UUSUU
educationally, unconditionally, unintentionally
6 Syllables: UUSUUU
constitutionally, longitudinally

Found 33 words across 6 groupings.