The word internalizing 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 internalizing
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Seven Letter Word Alert: (53 words)
airline, aligner, aniline, antigen, earning, elating, entrain, gelatin, genital, gentian, glazier, granite, igniter, inertia, ingrain, ingrate, initial, intagli, lairing, lantern, latrine, leaning, learing, lignite, lintier, nailing, nearing, railing, raining, ranting, ratline, realign, regnant, reining, reliant, renting, retinal, ringlet, tagline, tailing, tangier, tanning, tearing, teazing, tiering, tingler, tinnier, tinning, trenail, zingani, zingare, zingari, zingier