The word demythologizing 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: 38
Highest Scoring Words With Friends™ Play In The Letters demythologizing
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Seven Letter Word Alert: (87 words)
delight, delimit, demoing, diethyl, dieting, dignity, dingily, doomily, dooming, dozenth, editing, edition, eliding, emoting, emotion, enlight, ethmoid, gelding, geogony, geology, gilding, gliding, glinted, glitzed, glozing, googled, hedging, hindleg, hogtied, holding, holonym, hominid, hooding, hooting, hotline, idolize, ignited, ionized, iotized, ledging, lengthy, lighted, lighten, lignite, limited, lionize, lithoid, lodging, looming, looting, melding, melting, mendigo, menthol, midline, mingled, mitogen, molding, molting, monthly, moodily, moonlit, mooting, myeloid, nightie, nightly, notedly, oldtime, ozonide, theonym, thonged, thymine, tidying, timidly, tingled, toehold, toggled, toiling, tooling, toolmen, yelming, yodling, zoogeny, zoolite, zoolith, zooming, zymogen