The word devitalization 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
Seven Letter Word Alert: (37 words)
adonize, aeolian, anilide, anodize, anviled, availed, aviated, deviant, diazane, diazine, diazole, edition, elation, idolize, ilvaite, initial, invalid, invited, ionized, iotized, lionize, notated, olivine, tainted, talonid, titivil, toenail, totaled, valiant, vanload, vedanta, violate, violent, vitiate, zealant, zenaida, zonated