2 Syllables: SU
bluster, brother, buckler, buffer, Butler, Butler's, butter, cluster, cluttered, color, colour, comer, covered, covers, cupboard, custard, Cuthbert, Cutler, cutter, drummer, duller, flutter, Glover, govern, gunner, gutter, hover, Hubbard, hundred, Hussars, jugglers, juster, lovelier, lover, luster, lustre, mother, Muller, mustard, muster, mutter, other, plumber, rather, rougher, rubber, rudder, runner, shudder, shutter, smother, smugglers, Somers, southern, stubborn, subtler, suburb, succor, succour, sucker, suffer, summer, supper, tougher, Tucker, upper, upward, usher, utter
3 Syllables: USU
4 Syllables: UUSU
Found 79 words across 3 groupings. Skipped 51 excess words of a similar stem.