The word exteriorization 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: 32
Highest Scoring Words With Friends™ Play In The Letters exteriorization
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Seven Letter Word Alert: (44 words)
arenite, attirer, axinite, entreat, erotize, etaerio, inerter, inertia, ionizer, iterate, nattier, nitrate, nitrite, nittier, notator, oration, ornater, otarine, oxazine, ozonate, rainier, rattier, rattoon, reinter, retrain, retreat, ritzier, rotator, tearier, tentier, ternate, terrain, terrane, tintier, tornote, torrent, trainee, trainer, traitor, treater, triaene, triaxon, zittern, zootier