The word conflagrated 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™ Plays In The Letters conflagrated
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Seven Letter Word Alert: (71 words)
acnodal, adrenal, caldera, caldron, candela, candler, cantred, cantref, carload, carnage, caroled, cartage, catalog, catelog, catogen, central, clanged, clangor, coaltar, cognate, congeal, cordage, cordate, corneal, crafted, dangler, datalog, decagon, decalog, delator, dogcart, dogface, dragnet, enactor, engraft, falcate, flanged, floated, floater, fondler, foraged, fractal, froglet, frontal, fronted, garland, geofact, glanced, glancer, gloated, gloater, gnarled, gonadal, gradate, grafted, granola, granted, groaned, lactone, leotard, located, oracled, reclang, refloat, tacnode, tanager, tangelo, tangled, tangoed, tenfold, tranced