The word quizmasters 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: 33
Highest Scoring Words With Friends™ Play In The Letters quizmasters
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Seven Letter Word Alert: (30 words)
assumer, atriums, azurite, estrums, marques, marquis, masques, masseur, masters, matures, maziest, misseat, misters, misuser, muriate, musters, mustier, querist, satires, smartie, smiters, squares, squires, squirms, squirts, streams, suiters, surmise, tsarism, tzarism