The word strikeouts 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: 15
Highest Scoring Words With Friends™ Play In The Letters strikeouts
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Seven Letter Word Alert: (25 words)
estrous, ketosis, oestrus, ousters, outkiss, outsets, outsits, rosiest, serious, sitters, skitter, sorties, sourest, stokers, stories, stourie, stouter, strikes, strokes, suiters, suitors, toruses, tourist, touters, tuskers