The word electromotive 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: 24
Highest Scoring Words With Friends™ Play In The Letters electromotive
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Seven Letter Word Alert: (29 words)
clitter, clotter, coterie, coveter, elector, emitter, emotive, evictee, evictor, motlier, mottler, omitter, otolite, overlie, overlit, receive, reelect, relieve, retitle, revoice, rootlet, telecom, telomer, termite, tootler, treelet, tremolo, vermeil, vomiter