The word desquamating 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: 29
Highest Scoring Words With Friends™ Play In The Letters desquamating
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Seven Letter Word Alert: (77 words)
against, agatine, agatise, agendas, amentia, amnesia, amusing, animate, antique, augites, augment, aunties, damages, destain, detains, dunites, dusting, dustman, dustmen, enigmas, gamiest, gateaus, gateman, gaudies, gaunted, guineas, iguanas, inmates, inquest, instead, magenta, magnate, magnets, maidens, managed, manages, mandate, matings, medians, midgets, mindset, mintage, minuets, minutes, misdate, mistune, munited, munites, mustang, mutagen, nametag, nutmegs, qugates, sainted, seamaid, seaming, seating, sideman, sigmate, sinuate, smidgen, squidge, stadium, stained, stamina, tandems, teaming, teasing, tediums, tsunami, unaimed, unmated, unmates, unsated, unstage, untamed, untimed