2 Syllables: SU
bearer, Becker, beggar, Bender, better, cellar, censor, censure, centered, centers, centre, checkered, chequered, Cheshire, Chester, clever, debtor, Decker, denser, Denver, desert, dresser, dweller, Edward, effort, embers, enter, error, Esther, ever, fairer, feather, feller, fender, fetter, Fletcher, fresher, gender, gentler, gether, guesswork, heather, heifer, Heller, Hester, jester, Keller, Kepler, leather, leathern, ledger, Leicester, leisure, lender, Leonard, leopard, leper, lesser, Lester, letter, lever, measure, member, mentor, Messrs, Nestor, nether, network, never, peddlers, pepper, pestered, pleasure, pressure, rarer, record, redder, render, seller, sender, setter, settler, sever, Severn, sharer, Shepard, shepherd, Sheppard, slender, Spencer, Spencer's, Spenser, splendor, splendour, stellar, stretcher, sweater, teller, temper, Templars, tempter, tender, tenor, tenure, terror, tester, tether, treasure, tremor, Trevor, vendor, venture, wearer, weather, Weber, Western, westward, whether, zephyr
3 Syllables: USU
abettors, adventure, aggressor, assessor, avenger, condenser, confessor, December, defender, dismembered, dispenser, displeasure, dissenter, distemper, endeavor, endeavour, engender, forever, however, indenture, inventor, investor, MacGregor, midwestern, Northwestern, November, offender, oppressor, possessor, pretender, Professor, propeller, remember, semester, September, sequestered, soever, southwestern, successor, surrender, Sylvester, together, transgressors, unfettered, unlettered, unmeasured, whatever, whenever, wherever, whichever, whoever
4 Syllables: UUSU
5 Syllables: UUUSU
Nebuchadnezzar, whithersoever
Found 179 words across 4 groupings. Skipped 87 excess words of a similar stem.