The word demythologised 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 demythologised
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Seven Letter Word Alert: (93 words)
delight, delimed, delimes, deltoid, demigod, demised, demoted, demotes, deslime, desmoid, diethyl, dildoes, distyle, dogsled, doltish, doodles, doomily, edgiest, egotism, elegist, elegits, elogies, elogist, eomyids, ethmoid, eyelids, eyeshot, eyeslit, geodesy, geodome, ghosted, ghostly, goodies, goodish, gooiest, gothism, heisted, helmets, hogtied, hogties, hoisted, holiest, homiest, hostile, hotdogs, isohyet, lighted, lyddite, meddles, medleys, methods, methyls, middles, midgets, mildest, misdeed, mistold, modeled, modesty, moistly, moodily, moseyed, motleys, myeloid, oilseed, oldtime, omelets, oolites, ooliths, osteoid, seedily, semilog, sighted, sightly, sledged, sleight, smelted, smoothy, soothed, soothly, sootily, stooged, stooled, stoolie, styloid, stymied, teddies, tiddley, toddies, toddles, toehold, yielded, yodeled