The word metalepsis 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: 17
Highest Scoring Words With Friends™ Play In The Letters metalepsis
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Seven Letter Word Alert: (38 words)
aimless, amplest, aplites, easiest, elapses, empties, epistle, impales, impasse, limpest, limpets, lipases, mapless, measles, meatpie, misseat, misstep, palmist, palsies, pastels, pasties, pastime, pelites, pestles, petless, pieless, pilates, pitless, pleases, samples, siamese, simples, staples, tealess, teasels, temples, tieless, tipless