The word inosculation 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: 19
Highest Scoring Words With Friends™ Play In The Letters inosculation
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Seven Letter Word Alert: (44 words)
actions, anionic, anoints, antlion, atonics, auction, cannoli, cannolo, cantons, cations, caution, colitis, consult, contain, coolant, iconist, incants, insulin, inulins, italics, liaison, lotions, lunatic, nations, niacins, nicosia, noncola, nonsuit, notions, oculist, oilcans, oolitic, outsail, silicon, solicit, stannic, stoical, suction, toucans, unclots, uncoils, unction, unstain, unstoic