The word vituperating 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: (49 words)
eviting, gaunter, granite, igniter, inertia, ingrate, inviter, nattier, nitrate, nitrite, nittier, nuttier, painter, pairing, parting, patient, pattern, patting, pertain, petting, petunia, pitting, prating, private, puritan, puttier, putting, ratting, reaping, reaving, reinput, repaint, rutting, tangier, taunter, tauting, tearing, tiering, tintier, triptan, unrivet, urinate, vatting, vearing, vetting, vinegar, vintage, vitiate, vitrine