The word occultations 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: 21
Highest Scoring Words With Friends™ Plays In The Letters occultations
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Seven Letter Word Alert: (40 words)
account, actions, altoist, atonics, auction, calicos, cations, caustic, caution, clastic, coconut, colonic, conical, consult, contact, coolant, cottons, council, cultist, laconic, lotions, lunatic, occults, octants, oculist, oilcans, oncotic, outcast, outlast, outsail, station, stoical, suction, tactics, tictacs, tictocs, toucans, unclots, uncoils, unstoic