2 Syllables: SU
3 Syllables: SUU
bickerings, bigoted, grimaces, mistresses, primitive, pyramid, reasonings, riveted, secretive, villages
4 Syllables: USUU
deliberative, derivative, dispirited, Elisabeth, Elizabeth, indicative, inhibited, initiative, prohibitive, revisited
Found 22 words across 3 groupings. Skipped 2 excess words of a similar stem.