The word marginalized 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: 29
Highest Scoring Words With Friends™ Play In The Letters marginalized
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Seven Letter Word Alert: (67 words)
admiral, adrenal, airline, airmail, alarmed, aligned, aligner, amazing, anilide, azimide, damager, dangler, darling, dealign, dealing, deliria, denarii, deraign, diagram, dialing, diamine, diazane, diazine, dingier, eliding, garland, geminal, glazier, gmelina, gnarled, grained, grandma, gremlin, imagine, lairing, laminae, laminar, larding, leading, leadman, learing, mailing, managed, manager, mandrel, mandril, mangier, mangled, mangler, manlier, megarad, melding, midline, mineral, mingled, mingler, raiding, railing, reading, realign, reaming, regalia, zenaida, zingara, zingare, zingari, zingier