The word miscreate 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 miscreate
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Seven Letter Word Alert: (24 words)
aeriest, amerces, cerates, creates, cremate, cristae, emetics, emirate, meatier, mercies, metrics, metrise, racemes, raciest, recites, reemits, remates, reteams, retimes, seamier, seriate, seriema, smartie, steamer