Showing results for "conglomerate" instead. (You can only search for 1 word at a time unless you use the Storm or Mosaic Rhyme tools)
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3 Syllables: SUU
commonest, moderate, nominate, novelist, oftenest, proselytes
4 Syllables: USUU
geologist, predominate, psychologist

Found 9 words across 2 groupings. Skipped 3 excess words of a similar stem.