blunder, bluster, brother, buckler, buffer, bumper, Bunker, Butler, Butler's, butter, cluster, cluttered, color, colour, comer, comfort, cover, cupboard, custard, Cutler, cutter, drummer, drunkard, duller, Dunkirk, flutter, Glover, govern, gunner, gutter, hover, Hubbard, humbler, hundred, hunger, hunter, Hussars, jugglers, juncture, juster, lover, lumber, luster, lustre, mongers, mother, Muller, Munster, mustard, muster, mutter, number, other, plumber, plunder, puncture, rather, rougher, rubber, rudder, runner, shudder, shutter, slumber, smother, smugglers, Somers, southern, stubborn, subtler, suburb, succor, succour, sucker, suffer, summer, Sumner, sunburnt, sundered, supper, thunder, tougher, Tucker, tumbler, under, upper, upward, usher, utter, wonder, younger, youngster

another, another's, asunder, columnar, conjuncture, discolored, discoloured, discomfort, discover, encumber, midsummer, outnumber, recover, uncover, unnumbered

rediscovered, undiscovered, unencumbered