The word fraternization 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: 28
Highest Scoring Words With Friends™ Play In The Letters fraternization
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Seven Letter Word Alert: (36 words)
aerator, airfare, attirer, entrain, entrant, fainter, fanzine, fattier, fireant, fritter, inertia, inferno, intoner, ionizer, narrate, nattier, niftier, nitrate, nitrite, nittier, nonfire, ornater, otarine, rainier, rattier, refrain, retrain, ritzier, terrain, tinnier, tintier, torrent, trainer, traitor, tzarina, zittern