Or search: lawyer, attorney, requester, suppliant, canvasser, petitioner, jurisprudence
2 Syllables: SU
fiddler, listener, prisoner
3 Syllables: SUU
Christopher, minister, similar, titular, vinegar, Whitaker
4 Syllables: USUU
Commissioner, conspirator, deliverer, dissimilar, inquisitor, parishioners, perimeter, petitioner, practitioner, solicitors

Found 19 words across 3 groupings. Skipped 10 excess words of a similar stem.