Or search: magnate, mogul, peer, tycoon
2 Syllables: SU
7, aaron, acids, adage, adam, adjunct, alan, allan, allen, allen's, alum, ammon, annum, arabs, arian, arrant, ashen, aspen, asses, aston, athens, atom, balance, ballads, barium, baron, barren, batches, baton, beckon, bedlam, bellum, blacken, bracken, bremen, brethren, breton, burthen, cabbage, cabin, cannon, canon, carriage, carrion, caspian, cession, chairman, challenge, chaplain, chasm, chatham, clarence, clarion, classes, clemens, clement, crescent, currant, damage, datum, deaden, deference, devon, dragon, dresses, edges, edwin, ellen, errand, errant, essen, essence, evan, famine, fashion, fasten, fathom, fatten, felon, flatten, freshened, gallant, gallon, gases, gaston, gladden, glasses, grasses, hallam, hammond, happen, harem, hatton, heaven, helen, herdsman, heron, hessian, javelin, kaplan, karen, latham, latin, leaden, leaven, leben, legend, lemon, lenin, lessen, lesson, leverage, madam, madame, madden, mammon, mammoth, manage, marion, masses, masson, matches, matin, melon, message, methods, package, pageant, parent, passage, passes, passion, patches, patent, patton, peasant, pelham, penance, pennant, phantom, pheasant, pleasant, plenum, preference, presence, present, presses, pression, preston, question, rapids, ration, reckon, reddened, reference, resin, reverend, sabbath, saddened, saffron, salmon, satin, savage, savants, scratches, second, serfdom, session, seven, shannon, sharon, sketches, slacken, spasm, staten, stephens, stratton, stratum, stresses, stretches, talent, talons, tenant, terence, terras, threaten, variance, variant, vellum, venom, veteran, waggon, wagon, weapon, wedges, weren, weston, wreckage
3 Syllables: SUU
3 Syllables: USU
4 Syllables: UUSU
5 Syllables: UUUSU

Found 313 words across 5 groupings. Skipped 102 excess words of a similar stem.