The word ensnarling 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™ Plays In The Letters ensnarling
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Seven Letter Word Alert: (25 words)
aligner, anglers, earning, ensnarl, erasing, gainers, genials, girnels, insaner, leaning, learing, leasing, lensing, lingers, nailers, nannies, nearing, realign, regains, renails, rennins, sealing, searing, slinger, snaring