Or search: unreal, illusive
2 Syllables: SU
jewelry
3 Syllables: SUU
beautifully, brewery, brutally, eulogy, gloomily, jubilee, lunacy, mutiny, puberty, ruefully, scrutiny, stupidly, suitably, superbly, Tuileries, unity, usually, usury
4 Syllables: USUU
buffoonery, community, credulity, immunity, peculiarly, presumably
5 Syllables: UUSUU
ambiguity, continuity, ingenuity, opportunity

Found 29 words across 4 groupings.