The word marginalization 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: 32
Highest Scoring Words With Friends™ Play In The Letters marginalization
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Seven Letter Word Alert: (60 words)
airmail, amanita, amazing, anagram, anginal, angioma, antlion, atoning, gazania, granola, ignitor, ingrain, initial, intagli, ironing, ironman, lairing, laminar, limning, loaning, mailing, malaria, malting, marital, martial, martian, martini, migrant, militar, militia, minting, moaning, moating, molting, monilia, morning, nailing, nominal, nonliar, nonmail, orating, origami, railing, raining, ranting, ringman, rioting, roaming, roaning, roiling, tailing, tangram, toiling, tzarina, zingani, zingano, zingara, zingari, zingaro, zoarial