Or search: personalized, personalised, individualised
3 Syllables: SUU
civilised, civilize, criticized, crystalline, crystallize, Israelite, minimise, minimize, mystified, typified, typifies, visualize
4 Syllables: USUU
epitomized, solidified, uncivilized

Found 15 words across 2 groupings. Skipped 5 excess words of a similar stem.