The word industriously 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: 20
Highest Scoring Words With Friends™ Plays In The Letters industriously
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Seven Letter Word Alert: (33 words)
dirtily, distils, dustily, idolist, insults, inuloid, lyrists, nitrous, nitryls, noisily, nostril, nudists, outruns, rotunds, roundly, ruinous, rustily, sinoids, sinuous, sirloin, soundly, stonily, studios, stylion, styloid, suitors, synurid, tonsils, tylosis, unlists, unsilty, unsorts, untruly