The word desquamation 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: 27
Highest Scoring Words With Friends™ Play In The Letters desquamation
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Seven Letter Word Alert: (68 words)
adenoma, adonise, amentia, amidone, amnesia, amounts, animate, animose, anodise, antique, astound, atomise, atonias, aunties, daemons, demount, destain, detains, diatoms, dimuons, domains, domatia, donates, dunites, dustman, dustmen, endmost, inmates, inquest, instead, maidens, mandate, mastoid, medians, mindset, minuets, minutes, misdate, misdone, mistune, moisten, mounted, mountie, munited, munites, outmans, outside, quinoas, quonset, sainted, seamaid, sequoia, sideman, sinuate, snouted, stadium, stained, stamina, tandems, tedious, tediums, tsunami, unaimed, unmated, unmates, unsated, untamed, untimed