The word brachydactylia 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 brachydactylia
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Seven Letter Word Alert: (25 words)
achiral, acridly, acrylic, archaic, baldric, biarchy, biathla, brachia, bycatch, cabalah, cardiac, catbird, charily, charity, chytrid, clarity, cyathia, dactyly, diarchy, dyarchy, hardily, rabidly, radical, tardily, thirdly