The word formalising 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 formalising
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Seven Letter Word Alert: (52 words)
agonism, airfoil, airings, aisling, arising, failing, fairing, farming, filings, filming, finials, firings, firming, flaming, flaring, florins, foaling, foaming, foiling, formals, forming, framing, frogman, gliomas, informs, insofar, isogram, lairing, liaison, lionism, loafing, mailing, maligns, margins, marlins, monilia, normals, origami, origins, railing, raising, rifling, roaming, roiling, sailing, signora, similar, sirloin, sliming, smiling, soaring, soiling