The word fraternizes 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 fraternizes
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Seven Letter Word Alert: (60 words)
aeriest, antsier, arenite, artsier, earners, earnest, eastern, entries, errants, faeries, fainter, fairest, ferrets, ferries, ferrite, fireant, fraters, freesia, friezes, inerter, nastier, nearest, rafters, ranters, rearise, refiner, refines, refires, refrain, refrets, refries, reinter, renters, rerents, rerinse, restain, retains, retears, retinas, retires, retrain, retries, seriate, serrate, snifter, stainer, sterane, sterner, tarries, tearers, tearier, terrain, terrane, trainee, trainer, triaene, trienes, zaniest, zeatins, zestier