The word bizarreness 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: 24
Highest Scoring Words With Friends™ Play In The Letters bizarreness
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Seven Letter Word Alert: (26 words)
barrens, beanies, bearers, berries, bizarre, braiser, braises, braizer, braizes, brasier, brazens, brazier, earners, ensears, erasers, raisers, rearise, rebases, rerinse, resizes, rinsers, seizers, sierras, snarers, zebrass, zebrine