Or search: commemorating
3 Syllables: SUU
renderings, sensitive, sentences, tentative
4 Syllables: SUUU
legislative, meditative, paraphrases
4 Syllables: USUU
apprentices, collaborative, contemplative, deliberative, insensitive, remembrances
5 Syllables: USUUU
cooperative, investigative
5 Syllables: UUSUU
argumentative, representative

Found 17 words across 5 groupings. Skipped 1 excess word of a similar stem.