The word externalizing 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: 34
Highest Scoring Words With Friends™ Play In The Letters externalizing
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Seven Letter Word Alert: (87 words)
airline, aligner, aniline, antigen, arenite, axinite, earning, elating, elegant, elixate, elixing, enlarge, enteral, entrain, eternal, exalter, exigent, exilian, exiling, exiting, gelatin, general, genital, gentian, gentile, gentler, glazier, gleaner, granite, grantee, greaten, igniter, inertia, ingrain, ingrate, intagli, integer, lairing, lantern, latrine, leaning, learing, leering, lenient, lignite, lineage, lineate, lintier, nailing, nearing, nitrene, railing, raining, ranting, ratline, reagent, realign, realize, reannex, reeling, reglaze, regnant, reining, relaxin, reliant, renting, retinal, ringlet, tagline, tailing, tangier, taxiing, tearing, teazing, tiering, tingler, tinnier, trainee, treeing, trenail, triaene, triaxle, xennial, zingani, zingare, zingari, zingier