2 Syllables: SU
Buddhist, coolest, crudest, eunuch, fewest, fluid, humid, looted, newest, rooted, rudest, soonest, stupid, suited, unit
3 Syllables: USU
alluded, computed, concluded, diluted, disputed, excluded, included, intruded, obtruded, polluted, protruded, reputed, saluted
4 Syllables: UUSU
Found 29 words across 3 groupings. Skipped 4 excess words of a similar stem.