The word letterpresses 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 letterpresses
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Seven Letter Word Alert: (40 words)
lessees, letters, peelers, pelters, pesters, pestles, petless, petrels, presets, presser, presses, pretest, reelers, repeels, replete, repress, respelt, resteps, resters, retests, retrees, septets, sestets, settees, setters, settler, settles, sleeper, steeper, steeple, steerer, streets, teepees, teeters, tersest, testers, treelet, tresses, trestle, tsetses