The word communicational 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: 31
Highest Scoring Words With Friends™ Play In The Letters communicational
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Seven Letter Word Alert: (44 words)
acclaim, account, acicula, aclinic, actinic, alicant, alumina, ammonia, ammonic, anionic, antlion, auction, calcium, cannoli, cannolo, cannula, canonic, caution, coalman, coatman, coconut, colicin, colonic, comical, conical, contain, coolant, council, lacinia, laconic, lunatic, mailman, minicam, minimal, monilia, moonlit, nautica, nominal, noncola, nonmail, oncotic, oolitic, toolman, unction