Showing results for "Notropis" instead. (You can only search for 1 word at a time unless you use the Storm or Mosaic Rhyme tools)
3 Syllables: SUU
botanist, colonist, dramatist, obelisk, opposites, politics, talkative
4 Syllables: USUU
Apocalypse, apologist, biologist, cooperatives, corroborative, economist, geologists, prerogative, provocative
5 Syllables: UUSUU
anthropologist, archaeologist, physiologist, sociologist

Found 20 words across 3 groupings. Skipped 11 excess words of a similar stem.