The word palatalising 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: 20
Highest Scoring Words With Friends™ Plays In The Letters palatalising
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Seven Letter Word Alert: (38 words)
against, aisling, anglist, aplasia, gallant, install, instill, intagli, lapsing, lasagna, lasting, lilting, lisping, listing, paangas, palatal, palling, pasting, patinas, pianist, pigtail, pilings, pintail, plating, sailing, salting, saltpan, sapling, silting, slating, spatial, spiting, tailing, tailpin, tapings, tilapia, tilings, tilling