2 Syllables: SU
bigness, bigot, bilious, busiest, fitted, frigate, hideous, idiot, igneous, knitted, liquid, pickets, piteous, pitted, prettiest, serious, thickets, ticket, vitreous, wicked, wicket
3 Syllables: SUU
3 Syllables: USU
admitted, affiliate, amphibious, constricted, convicted, deliberate, delirious, depicted, emitted, exhibits, fastidious, imperious, inhibit, initiates, insidious, insipid, invidious, lascivious, Mauritius, mysterious, oblivious, omitted, perfidious, permitted, predicted, prohibit, punctilious, restricted, submitted, transmitted
4 Syllables: UUSU
Found 60 words across 4 groupings. Skipped 6 excess words of a similar stem.