The word containerize 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: 26
Highest Scoring Words With Friends™ Plays In The Letters containerize
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Seven Letter Word Alert: (35 words)
acetone, aconite, ancient, anionic, arenite, cannier, canteen, catenin, certain, citizen, citrine, contain, coterie, enactor, enteric, enticer, entrain, erotica, erotize, etaerio, iconize, inciter, inertia, intoner, ionizer, neonate, nitrene, otarine, reenact, tinnier, trainee, triaene, zincate, zincier, zincite