The word directives 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: 18
Highest Scoring Words With Friends™ Play In The Letters directives
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Seven Letter Word Alert: (37 words)
cervids, credits, crested, deceits, decries, deicers, deistic, deities, derives, devices, deviser, diciest, diester, dieters, dietics, dieties, directs, dirties, ditsier, diverse, diverts, eidetic, evicted, recited, recites, reedits, restive, revised, revisit, riveted, service, sievert, stivier, strived, tidiers, verdict, visited