The word unrequested 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: 24
Highest Scoring Words With Friends™ Play In The Letters unrequested
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Seven Letter Word Alert: (32 words)
denture, dequeue, detuner, detunes, endures, enqueue, ensured, entered, entrees, needers, neuters, nutseed, queened, queered, querent, quested, queuers, reested, request, requeue, retuned, retunes, sequent, sneered, steered, sterned, sutured, tenders, tenured, tenures, undrest, unreset