The word mythologising 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: 26
Highest Scoring Words With Friends™ Play In The Letters mythologising
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Seven Letter Word Alert: (58 words)
ghostly, gigolos, gnomish, gnomist, goosing, gosling, gothism, holonym, hooting, hosting, hymnist, insight, isogony, isonomy, lionism, listing, longish, looming, loosing, looting, lotions, mistily, misting, moistly, molting, mongols, monthly, moonlit, mooting, motions, nightly, noisily, oligist, ooliths, shingly, shinily, shooing, sighing, sightly, silting, sliming, smiling, smiting, smoothy, soggily, soiling, soloing, soothly, sootily, sooting, stonily, styling, stylion, tilings, timings, toiling, tooling, yoginis