2 Syllables: SU
alder, aller, altar, alter, Auburn, auger, augur, author, awkward, bluster, bombers, bother, broader, brother, buckler, buffer, Butler, Butler's, butter, caller, calmer, Chalmers, Chaucer, Chaucer's, clockwork, cluster, cluttered, cobbler, coffers, collar, Collier, colored, colors, colour, comer, commerce, Connor, copper, cover, Crawford, culture, cupboard, custard, Cutler, cutter, daughter, dollar, donner, drummer, duller, falter, father, flutter, fodder, foster, Gloucester, Glover, Goddard, govern, gunner, gutter, halter, honor, Honore, honors, honour, hopper, hotter, hover, Hubbard, hundred, Hussars, jugglers, juster, lawyer, locker, lodger, lover, luster, lustre, mater, modern, mother, Muller, mustard, muster, mutter, offer, Oscar, other, otter, Palmer, pauper, plumber, Pollard, poplar, Potter, proffer, proper, prosper, proverb, Psalter, quatre, rather, robber, Robert, Roger, roster, rougher, rubber, rudder, runner, saucer, Sawyer, scholar, sculptor, sculpture, shudder, shutter, slaughter, smaller, smother, smugglers, soldered, Somers, southern, squalor, squatters, stalwart, Stoddard, stopper, stubborn, subtler, suburb, succor, succour, sucker, suffer, sulfur, sulphur, summer, supper, talker, taller, totter, tougher, Trotter, Tucker, ulcer, Ulster, upper, upward, usher, utter, vulgar, vulture, Walker, Waller, Walter, washer, watcher, watchword, water
3 Syllables: USU
another, another's, discolored, discoloured, discover, dishonor, dishonour, Gibraltar, impostor, improper, marauders, midsummer, recover, revolver, unaltered, uncover
4 Syllables: UUSU
Found 182 words across 3 groupings. Skipped 114 excess words of a similar stem.