The word placatingly 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: 24
Highest Scoring Words With Friends™ Play In The Letters placatingly
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Seven Letter Word Alert: (21 words)
aclinal, alicant, allying, anaptic, calling, capital, captain, claypan, gallant, glacial, glyptal, glyptic, palling, placing, plainly, plating, playact, playing, pliancy, ptyalin, typical