The word dystrophies 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: 19
Highest Scoring Words With Friends™ Play In The Letters dystrophies
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Seven Letter Word Alert: (64 words)
dehorts, deports, deposit, despots, destroy, diopter, dioptre, dispose, dithers, dopiest, dossier, editors, history, hoisted, hosiers, hosiery, hydrops, isohyet, isotype, ospreys, oysters, peridot, periods, persist, posited, posters, pothers, priests, pyrites, reposts, reships, respots, roisted, ropiest, rosehip, rosiest, shirted, shorted, shyster, sortied, sorties, spiders, spidery, spirted, sported, spriest, sprites, spryest, steroid, storeys, storied, stories, strides, striped, stripes, stripey, strophe, thyroid, tierods, topside, torpids, tripeds, tripods, typhoid