The word grotesqueness 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: 26
Highest Scoring Words With Friends™ Plays In The Letters grotesqueness
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Seven Letter Word Alert: (53 words)
engross, ensures, entrees, estrone, estrous, geneses, genuses, gesture, grosses, grouses, guesser, guesses, gunters, gussets, negroes, nesters, neuters, oestrus, ousters, outsees, querent, quonset, quotees, quoters, regents, reneges, renegue, renests, request, requote, resents, retunes, russets, sensors, sequent, sourest, stenose, stereos, stoners, sunsets, surgeon, tensors, tenures, tongues, tonsure, torques, toruses, tossers, tresses, trusses, unreset, unrests, unsorts