Or search: icteric, unhealthy, prejudiced, discriminatory
2 Syllables: SU
bondage, bronzes, conduit, conflict, convict, dauntless, launches, longest, omnis, pontiff, Psalmist, Romish
3 Syllables: USU
accomplish, admonish, astonish, responses, responsive
4 Syllables: UUSU
unresponsive

Found 18 words across 3 groupings. Skipped 6 excess words of a similar stem.