The word bestialising 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: 19
Highest Scoring Words With Friends™ Plays In The Letters bestialising
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Seven Letter Word Alert: (71 words)
abseils, absents, aiglets, aisling, albites, alibies, anglist, astilbe, bagless, bailing, baiting, bangles, basting, beating, belting, besting, biasing, bigness, bitings, elastin, elating, enlists, entails, gelatin, genials, genital, giblets, glisten, ignites, ileitis, ingests, initial, intagli, lasting, leasing, lesbian, liaises, libates, ligases, ligates, lignite, listens, listing, nailset, sagiest, sailing, salient, salines, salting, sealing, seating, seitans, sestina, sibling, signals, signets, silanes, silents, silting, singles, singlet, slating, stables, tabling, tagline, tailing, tangles, teasing, tilings, tingles, tinsels