The word bestializing 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: 28
Highest Scoring Words With Friends™ Play In The Letters bestializing
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Seven Letter Word Alert: (63 words)
aiglets, aisling, albites, alibies, anglist, astilbe, bailing, baiting, bangles, basting, beating, belting, benzils, besting, biasing, bitings, blazing, blintze, blitzes, elastin, elating, entails, gelatin, genials, genital, giblets, glisten, glitzes, ignites, ileitis, initial, intagli, lasting, laziest, leasing, lesbian, libates, ligates, lignite, listing, nailset, sailing, salient, salting, sealing, seating, seizing, sibling, silting, singlet, sizable, slating, tabling, tagline, tailing, tangles, teasing, teazing, tilings, tingles, zaniest, zeatins, zesting