The word vituperation 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: 21
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (48 words)
inertia, inviter, invitro, nattier, nitrate, nitrite, nittier, nuttier, operant, otarine, outearn, outrant, outrate, outrave, overtip, painter, patient, patriot, pattern, pertain, petunia, pivoter, pointer, portent, poutier, poutine, private, pronate, protean, protein, puritan, puttier, rainout, reinput, repaint, repivot, repoint, routine, taunter, tintier, tiptoer, triptan, tuition, unrivet, urinate, utopian, vitiate, vitrine