The word gluttonises 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: 16
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (69 words)
egoists, egotist, elogist, eloigns, elusion, eluting, elution, enlists, ensouls, glioses, glisten, glottis, gluiest, glutens, glutton, gunless, gutless, igneous, ingests, insoles, insults, legions, lesions, letting, lingoes, lioness, lionets, listens, longest, losings, lotuses, lounges, lousing, luniest, lusting, lutists, lutites, nosiest, notists, nutlets, ousting, outings, outlets, outlies, outline, outsets, outsits, setting, signets, silents, singles, singlet, solutes, stetson, stogies, testing, teutons, tingles, tinsels, toilets, tongues, tonsils, tossing, tousles, touting, tugless, ugliest, unlists, utensil