The word denunciative 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: 23
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (28 words)
adenine, ancient, auditee, canteen, catenin, cuneate, dentine, detinue, deviant, deviate, dietine, educate, educive, eidetic, enacted, enticed, evicted, evident, evinced, incited, invited, invitee, nuanced, uncited, uneaten, unvaned, vaunted, viaduct