Or search: antibacterial
2 Syllables: SU
Byron, Byron's, Hiram, siren, tyrant, violence, violent
3 Syllables: SUU
aspirant, Chinaman, hydrogen, nitrogen, vitamin
3 Syllables: USU
environ
4 Syllables: USUU
Leviathan

Found 14 words across 4 groupings. Skipped 6 excess words of a similar stem.