The word decolonization 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: 30
Highest Scoring Words With Friends™ Play In The Letters decolonization
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Seven Letter Word Alert: (73 words)
acidize, aconite, adonize, aedilic, aloetic, ancient, anilide, aniline, anionic, annelid, anodize, anodont, antlion, cannoli, cannolo, catenin, ciliate, citadel, citizen, coalite, coalize, condole, condone, conidia, connote, contain, contend, coolant, cotidal, decalin, deltaic, dialect, diazine, diazoic, diazole, diction, edition, elation, iconize, idolize, incited, incline, intoned, ionized, iotized, lactone, laicize, lection, lionize, located, nanodot, nonacid, noncola, nondate, nondiet, nonlate, nonlead, noticed, oolitic, ozonate, ozonide, tacnode, talonid, toenail, zincate, zincite, zincode, zincoid, zoecial, zonated, zooecia, zooidal, zoolite