Showing results for "intensity" instead. (You can only search for 1 word at a time unless you use the Storm or Mosaic Rhyme tools)
Or search: fury, grade, chroma, badness, ferocity, severity, crescendo, vehemence, saturation, fierceness, severeness, furiousness, forcefulness
3 Syllables: SUU
chemically, density, dentistry, enmities, enmity, entities, entity, lenity
4 Syllables: USUU
attentively, extensively, identities, immensity, indemnity, intensities, intensively, obscenity, offensively, propensity
5 Syllables: UUSUU
comprehensively

Found 19 words across 3 groupings.