2 Syllables: SU
Acad, acid, Adam, adjunct, Alan, Allan, Allen, Allen's, alum, ambient, Ammon, annum, Anson, anthem, Arab, arid, arrant, ashen, aspen, Aston, Athens, atom, balance, ballad, Bantam, Baron, barren, baton, blacken, blasted, bracken, Brandon, cabin, Camden, cannon, canon, Canton, Canyon, Caspian, challenge, champion, chaplain, chasm, Chatham, chatted, damaged, dampened, datum, dragon, famine, fashion, fasten, fathom, fatten, flatten, Franklin's, gallant, gallon, ganglion, Gaston, gladden, grandson, granted, Hallam, Hampden, Hampton, handsome, hangman, Hansen, Hanson, happen, Hatton, javelin, Kaplan, Langdon, lasted, Latham, Latin, Madam, Madame, Madden, Mammon, managed, mansion, Masson, matin, padded, pageant, pallid, passion, patent, patted, Patton, phantom, placid, plantain, planted, ragged, rampant, random, ransom, rapid, ration, saddened, saffron, salad, salmon, Sampson, Samson, sanction, sanctum, satin, savants, Shannon, Sharon, slacken, slanted, spasm, Stanton, Staten, Stratton, stratum, talent, talons, tandem, tangent, transient, waggon, wagon
3 Syllables: SUU
3 Syllables: USU
abandon, advancement, assassin, Buchanan, Byzantium, combatant, commandment, companion, compassion, contrasted, embankment, enchantment, enhancement, examined, examines, expansion, harassment, imagine, imbalance, impassioned, Manhattan, misshapen, Northampton, oldfashioned, Southampton, unbalanced
4 Syllables: UUSU
Found 160 words across 4 groupings. Skipped 64 excess words of a similar stem.