The word innervates 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: 16
Highest Scoring Words With Friends™ Play In The Letters innervates
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Seven Letter Word Alert: (45 words)
aeriest, antsier, arenite, earnest, eastern, ensnare, entrain, entries, enviers, insaner, intense, interns, invents, inverse, inverts, naivest, nastier, natives, nearest, neatens, nitrene, ravines, rennets, restain, restive, retains, retinas, seriate, servant, sievert, stainer, sterane, striven, tanners, taverns, tenners, tinners, trainee, triaene, trienes, vainest, veritas, versine, veteran, vintner