2 Syllables: SU
Albion, album, ambient, Ammon, annum, Anson, anthem, Bantam, Brandon, calcium, Calvin, Camden, cannon, canon, Canton, Canyon, champion, dampened, falcon, famine, Franklin's, ganglion, grandson, halcyon, Hammond, Hampden, Hampton, handsome, hangman, Hansen, Hanson, Langdon, Malcolm, Mammon, mansion, phantom, plantain, rampant, random, ransom, salmon, Sampson, Samson, sanction, sanctum, Shannon, stallion, Stanton, tandem, tangent, transient, valiant
3 Syllables: USU
abandon, advancement, amalgam, battalion, Buchanan, Byzantium, commandment, companion, embankment, enchantment, enhancement, examined, examines, expansion, Italian, medallion, Northampton, Southampton
4 Syllables: UUSU
Found 73 words across 3 groupings. Skipped 22 excess words of a similar stem.