The word scrutinizer 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: 25
Highest Scoring Words With Friends™ Plays In The Letters scrutinizer
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Seven Letter Word Alert: (28 words)
cistern, citizen, citrine, cretins, cruiser, cuisine, current, curries, encrust, inciter, incites, incrust, insurer, irenics, nutsier, recruit, reincur, returns, ritzier, runtier, rustier, sericin, turners, uniters, unities, unitize, zincier, zincite