The word congenially 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: 22
Highest Scoring Words With Friends™ Play In The Letters congenially
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Seven Letter Word Alert: (30 words)
acyloin, agilely, alcogel, allying, angelic, calling, cannily, cannoli, celling, cleanly, cloning, cloying, coaling, coinage, collage, congeal, cyanine, galleon, glycine, inanely, lancing, lanolin, leaning, loaning, logical, nanogel, nonclay, yealing, yeaning, yelling