The word containerizing 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: 31
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (75 words)
aconite, agonize, ancient, anionic, antigen, atoning, cannier, canning, canting, carting, catenin, catogen, certain, citizen, citrine, coating, cognate, coinage, coining, conning, contain, coreign, corning, craning, crating, crazing, earning, enactor, entrain, erotica, gentian, granite, iconize, igniter, ignitor, inciter, inertia, ingrain, ingrate, intoner, ionizer, ironage, ironing, nearing, orating, organic, otarine, raining, ranting, regnant, reicing, reining, renting, rioting, roaning, tangier, tanning, tearing, teazing, tiering, tinnier, tinning, tonnage, tracing, zeroing, zincate, zincier, zincing, zincite, zingani, zingano, zingare, zingari, zingaro, zingier