The word deprecates 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™ Play In The Letters
Seven Letter Word Alert: (59 words)
adepter, capered, carpets, catered, cerates, creased, created, creates, creeped, crested, dearest, decares, decease, decrees, deepest, deepsea, departs, erected, escaped, escapee, escaper, petards, petered, precast, precede, predate, reacted, reasted, recedes, redacts, redates, redtape, reested, repaced, repaces, repaste, repeats, respace, respade, respect, retaped, retapes, scarped, scepter, sceptre, scraped, seceder, secrete, sedater, speared, specter, spectra, spectre, speeder, steeped, steeper, steered, tapered, tasered