The word internalization 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
Seven Letter Word Alert: (43 words)
aeolian, aileron, airline, alanine, aniline, antenna, antlion, elation, entrain, entrant, inertia, initial, intoner, ionizer, lantern, latrine, lintier, lionize, nattier, nitrate, nitrite, nittier, nonlate, nonliar, nonreal, onliner, otarine, ratline, rattail, reliant, retinal, retinol, retotal, tertial, tinnier, tintier, toenail, trenail, tzarina, zealant, zelator, zittern, zoarial