The word coruscations 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: 20
Highest Scoring Words With Friends™ Play In The Letters coruscations
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Seven Letter Word Alert: (64 words)
accosts, account, accurst, actions, arctics, atonics, auction, caisson, cantors, cartons, cartoon, casinos, cassoon, castors, cations, caustic, caution, citrons, coactor, coarcts, coconut, concurs, concuss, consist, consort, contour, coronas, costars, cousins, cratons, crouton, cuatros, curtain, incrust, instars, nitrous, oncosis, oncotic, oration, outsoar, raccoon, racists, racoons, rainout, rations, riotous, rustics, sanctus, scoriac, scorias, strains, stuccos, succors, suction, suitors, sunstar, sustain, tocsins, torsion, toucans, uncarts, uncross, unsorts, unstoic