The word detestation 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: 13
Highest Scoring Words With Friends™ Plays In The Letters detestation
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Seven Letter Word Alert: (31 words)
adonise, aniseed, anodise, attends, denoise, denotes, dentate, dentist, destain, destine, detains, detents, distant, dittoes, donates, dotiest, instate, instead, neatest, notated, sainted, snotted, stained, standee, station, stented, stinted, tainted, testate, toasted, tonette