The word alphabetically 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: 30
Highest Scoring Words With Friends™ Play In The Letters alphabetically
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Seven Letter Word Alert: (37 words)
actable, acylate, alethic, allelic, bathcap, biathla, cabalah, capable, capably, capital, chaplet, cheaply, citable, cyathia, ethical, haplite, helical, hellcat, hepatic, hyalite, iceball, labiate, lacteal, lithely, palatal, patella, payable, phablet, phallic, placate, playact, playlet, pliable, pliably, plicate, typical, yachtie