3 Syllables: SUU
Caucasus, commonest, Communist, conferences, lawlessness, moderates, novelist, oftenest, ominous, profitless, prophetess, proselytes, prosperous, sonorous, thoughtlessness, wantonness
3 Syllables: USU
4 Syllables: USUU
Acropolis, anomalous, anonymous, autonomous, geologist, Herodotus, homologous, hypothesis, idolatrous, metropolis, monotonous, nitrogenous, psychologist, rhinoceros, sarcophagus, Theophilus
5 Syllables: UUSUU
Found 34 words across 4 groupings. Skipped 3 excess words of a similar stem.