The word conflagration 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: 24
Highest Scoring Words With Friends™ Play In The Letters conflagration
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Seven Letter Word Alert: (67 words)
aircool, alicant, anginal, antlion, atoning, cannoli, cannolo, canting, carinal, carting, cartoon, catalog, clangor, clarion, cloning, coaling, coaltar, coating, contain, control, coolant, cooling, corning, coronal, cranial, craning, crating, faction, fanatic, fantail, flaring, foaling, fooling, footing, forcing, fractal, frantic, frontal, granola, infarct, ingraft, lancing, loafing, loaning, locator, lofting, longfin, looting, noncola, nonfact, nonflat, nongoal, nongolf, nonliar, nonriot, octagon, orating, oration, organic, rafting, ranting, roaning, roofing, rooting, tailfan, tooling, tracing