The word voyeuristic 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: 21
Highest Scoring Words With Friends™ Play In The Letters voyeuristic
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Seven Letter Word Alert: (29 words)
citrusy, coverts, cursive, curtsey, cutover, erotics, evictor, ivories, ivorist, overcut, oversit, ovicyst, revisit, revuist, scouter, society, stivier, stourie, urocyst, uveitis, vectors, viceroy, vicious, victors, victory, virtues, visitor, voicers, voyeurs