The word brachiated 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: 19
Highest Scoring Words With Friends™ Play In The Letters brachiated
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Seven Letter Word Alert: (22 words)
abreact, airdate, airhead, batched, birched, birthed, brachia, bracted, breadth, cabaret, carbide, catbird, cathead, chaired, charade, charted, decabit, ditcher, radiate, rebatch, tiaraed, trachea