The word maneuverers 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™ Plays In The Letters maneuverers
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Seven Letter Word Alert: (24 words)
avenues, averser, earners, ensurer, erasure, manurer, manures, measure, reamers, reavers, renames, renerve, reserve, resumer, revenue, reveres, reverse, serener, severer, smearer, sneerer, surname, unreeve, veneers