The word discomfiture 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: 23
Highest Scoring Words With Friends™ Play In The Letters discomfiture
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Seven Letter Word Alert: (99 words)
ceriums, ceroids, coedits, comfier, comfits, costume, coursed, courted, credits, crudest, cruised, crusted, decorum, decrust, deficit, defocus, deforms, defrost, deiform, deistic, demotic, detours, diciest, dietics, dimeric, diorite, directs, dirties, ditsier, dormice, ductors, dustier, editors, eductor, erotics, eudicot, firmest, focused, focuser, foisted, foister, forties, frosted, fruited, fumiest, fusidic, iodiser, iodites, ioduret, meiotic, metrics, miscite, miscode, miscued, misdoer, misedit, misfire, mistier, moister, mortise, mousier, mucoids, muroids, muscoid, mustier, outfire, outride, outside, rectums, reducts, refocus, roisted, rudites, scoured, scouted, scouter, scrotum, serfdom, somitic, soricid, sortied, sourced, steroid, stimied, storied, stormed, stourie, studier, suicide, surfeit, tedious, tediums, tidiers, tierods, timider, tourism, tridems, trifids, tumeric