The word disinherited 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: 17
Highest Scoring Words With Friends™ Plays In The Letters disinherited
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Seven Letter Word Alert: (47 words)
deities, deniers, derides, desired, destine, detrend, diester, dieters, diether, dieties, dietine, dirtied, dirties, distend, dithers, ditsier, dresden, entries, heisted, hinders, indited, inditer, indites, inherit, insider, iridise, neither, nitride, reddens, reddest, reddish, reedits, rehides, reshine, resided, shedder, shinier, shirted, shrined, sterned, teddies, tenders, therein, tidiers, tinders, trended, trienes