2 Syllables: SU
Alban, Alden, almonds, Alton, Baldwin, Balkan, balsam, Carleton, Carlton, cauldron, Charleston, Charlton, column, Dalton, dolphin, fallen, Holland, pollen, solemn, solvent, Stalin, thraldom, Walden, Waltham, Walton
3 Syllables: USU

Found 30 words across 2 groupings. Skipped 6 excess words of a similar stem.