3 Syllables: SUU
authorise, authorize, codified, colonize, dramatize, falsified, falsify, homicide, modified, modifies, mollified, prophesied, qualified, qualifies, qualify
4 Syllables: USUU
apologise, apologize, disqualified, disqualify, economize, hypothesized, monopolize, personified, unauthorized
Found 24 words across 2 groupings. Skipped 4 excess words of a similar stem.