3 Syllables: SUU
desperately, favorably, generally, miserably, preferably, separately
4 Syllables: SUUU
admirably, celibacy, creditably, definitely, delicacy, delicately, favourably, generously, honorably, honourably, perilously, sedulously, tolerably, treacherously
4 Syllables: USUU
confederacy
5 Syllables: USUUU
considerably, degeneracy, effeminacy, incomparably, incredulously, indefinitely, inevitably, inexorably, intelligibly, intolerably, professionally, unalterably, unfavorably, unfavourably
5 Syllables: UUSUU
irrevocably

Found 36 words across 5 groupings.