The word spermophiles 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: 24
Highest Scoring Words With Friends™ Play In The Letters spermophiles
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Seven Letter Word Alert: (70 words)
elopers, empires, empress, epimers, epipole, episome, heiress, helpers, heroise, heroism, hoppers, hoppler, hopples, hosiers, implore, imposer, imposes, impress, isohels, isomere, isomers, lispers, loppers, lossier, meioses, meshers, meshier, messier, moppers, morsels, mossier, oppress, peoples, pepless, pieless, pimples, poesies, prelims, premise, premiss, promise, propels, rehomes, repiles, repipes, replies, reposes, reshims, reships, reshoes, resoils, resoles, rimless, ripples, rosehip, shipper, shopper, shrimps, simpers, simpler, simples, sippers, slipper, slopers, smilers, soirees, soppers, soppier, spheres, spoiler