The word manoeuvrers 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: 20
Highest Scoring Words With Friends™ Play In The Letters manoeuvrers
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Seven Letter Word Alert: (39 words)
anomers, armours, arouser, avenues, averser, earners, enamors, enamour, ensurer, erasure, manurer, manures, measure, moaners, mourner, nervous, neuroma, oarsmen, overarm, overman, overran, overrun, oversea, overuse, reamers, rearose, reavers, remorse, remover, removes, renames, resumer, roamers, ruesome, savorer, serovar, smearer, surname, uromere