Showing results for "inhibitor" instead. (You can only search for 1 word at a time unless you use the Storm or Mosaic Rhyme tools)
Or search: moderator, antioxidant, anticatalyst
2 Syllables: SU
fiddler, listener, prisoner
3 Syllables: SUU
Christopher, minister, similar, titular, vinegar, Whitaker
4 Syllables: USUU
Commissioner, conspirator, contributor, deliverer, dissimilar, distributor, inquisitor, parishioners, perimeter, petitioner, practitioner, solicitor

Found 21 words across 3 groupings. Skipped 13 excess words of a similar stem.