The word comptrollers is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 23
Highest Scoring Words With Friends™ Play In The Letters comptrollers
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Seven Letter Word Alert: (48 words)
coeloms, colorer, colters, compels, comport, compose, compost, compote, coolers, coolest, creosol, looters, ocelots, oosperm, petrols, pomelos, poorest, porters, precool, presort, proctor, promote, recolor, rectors, replots, repolls, reports, rerolls, reroots, respool, retools, rollers, rompers, roomers, rooster, rooters, scooper, scooter, spooler, stomper, stooper, tollers, toolers, torpors, tremolo, tremors, trollop, trooper