The word confutations 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™ Play In The Letters confutations
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Seven Letter Word Alert: (33 words)
actions, anoints, atonics, auction, cantons, cations, caution, confits, contain, cottons, faction, fanouts, faunist, fustian, incants, infants, instant, nations, nonfact, nonfast, nonsuit, notions, octants, outcast, outfast, outfits, stannic, station, suction, toucans, unction, unstain, unstoic