The word editorialize 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: 23
Highest Scoring Words With Friends™ Play In The Letters editorialize
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Seven Letter Word Alert: (25 words)
alerted, altered, delator, deliria, diazole, dilater, dilator, diorite, ditzier, erotize, etaerio, idolize, iodizer, iotized, iridize, leotard, realize, redealt, related, reoiled, retiled, trailed, treadle, zelator, zeolite