The word revulsions 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: 17
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (26 words)
elusion, ensouls, envious, insoles, insures, lesions, lioness, lossier, lousier, louvers, louvres, nervous, resoils, seniors, serious, silvers, slivers, slovens, snivels, solvers, sunrise, surveil, unveils, velours, version, viruses