The word denationalized 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: 28
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (55 words)
adenine, adenoid, adonize, aeolian, alanine, alidade, andante, anilide, aniline, annelid, anodize, antlion, dealate, delated, deltoid, denizen, denoted, dentine, diazane, diazene, diazide, diazine, diazole, dietine, dilated, donated, edition, elation, eleidin, eloined, endnote, enolate, enolize, enzoned, idolize, indited, intoned, iodized, ionized, iotized, lenient, lenited, lineate, lionize, neonate, nondate, nondiet, nonlate, nonlead, talonid, toenail, zealant, zenaida, zeolite, zonated