The word brachiations 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: 21
Highest Scoring Words With Friends™ Play In The Letters brachiations
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Seven Letter Word Alert: (49 words)
abators, abiotic, absinth, abstain, acrobat, actions, airboat, anarchs, anchors, archons, arctans, artisan, atonias, atonics, barista, bastion, biotics, biotins, bitcoin, boarish, borscht, botanic, brachia, bronchi, cantors, carbons, cartons, cations, chariot, citrons, cohabit, cohibit, cratons, haricot, iconist, incisor, inhabit, nicosia, obtains, ostrich, rainhat, rations, rhotics, satanic, satiric, strobic, tabasco, tarnish, tsarina