2 Syllables: SU
Berger, Berkshire, Bernard, bluster, brother, buckler, buffer, Burger, burgher, burglar, burner, Butler, Butler's, butter, cluster, cluttered, color, colour, comer, courier, cover, cupboard, custard, Cutler, cutter, drummer, duller, earlier, earner, earthworks, fervor, firmer, flutter, further, girders, Glover, govern, gunner, gutter, Herbert, Herder, hover, Hubbard, hundred, Hussars, jugglers, juster, learner, lover, luster, lustre, Mercer, merger, mother, Muller, murder, murmur, mustard, muster, mutter, nurture, other, perjured, pervert, plumber, rather, rougher, rubber, rudder, runner, searcher, shudder, shutter, smother, smugglers, Somers, southern, sterner, stubborn, subtler, suburb, succor, succour, sucker, suffer, summer, supper, tougher, Tucker, Turner, Turner's, upper, upward, usher, utter, Werner, Wordsworth, worker, worthier
3 Syllables: USU
another, another's, discolored, discoloured, discover, disturbers, midsummer, observer, precursor, preserver, recover, uncover, usurper
4 Syllables: UUSU
Found 114 words across 3 groupings. Skipped 70 excess words of a similar stem.