The word sightreads 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: 15
Highest Scoring Words With Friends™ Play In The Letters sightreads
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Seven Letter Word Alert: (42 words)
aigrets, aridest, ashiest, astride, dashers, dearths, digests, digress, dishrag, disrate, dithers, gaiters, gashers, gassier, gathers, geishas, grassed, hagride, hardest, hastier, hatreds, rashest, resight, righted, sagiest, satires, shaders, shadier, shirted, sighers, sighted, sighter, stagers, stagier, stashed, strides, threads, tigress, tirades, trashed, trashes, triages