The word furcations 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: 18
Highest Scoring Words With Friends™ Play In The Letters furcations
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Seven Letter Word Alert: (31 words)
actions, atonics, auction, cantors, cartons, cations, caution, citrons, confits, cratons, cuatros, curtain, faction, factors, fanouts, faunist, forints, frantic, functor, fustian, incrust, infarct, infusor, insofar, nitrous, rainout, rations, suction, toucans, uncarts, unstoic