The word defenestrated 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: 19
Highest Scoring Words With Friends™ Play In The Letters defenestrated
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Seven Letter Word Alert: (64 words)
attends, daftest, danders, deadens, deadest, deafens, deafest, dearest, defeats, defends, defense, deftest, dentate, detente, detents, detrend, drafted, draftee, dresden, earnest, eastern, endears, entered, entreat, entrees, fattens, feasted, feeders, fenders, fetters, fretted, natters, nearest, neatest, needers, netters, reasted, redated, redates, reddens, reddest, reested, refeeds, restate, retaste, sedated, sedater, snarfed, sneered, standee, stander, started, steered, stented, sterane, sterned, tasered, teeters, tenders, tenters, ternate, treaded, treated, trended