The word renunciative 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: 22
Highest Scoring Words With Friends™ Play In The Letters renunciative
:
Seven Letter Word Alert: (38 words)
activer, ancient, arenite, cannier, canteen, catenin, centaur, certain, citrine, cuneate, curtain, enteric, enticer, entrain, inciter, incurve, inertia, invitee, inviter, nitrene, reenact, reunite, tinnier, trainee, triaene, uncrate, unearnt, uneaten, unerect, unnerve, unrivet, urinate, uterine, veinier, venture, veteran, vintner, vitrine