The word vociferating 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: 25
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (71 words)
aconite, activer, avionic, cantref, carting, carving, carvone, catogen, certain, citrine, coating, cognate, coinage, conifer, convert, coreign, crating, craving, enactor, engraft, erotica, evictor, eviting, faction, fainter, fairing, fancier, fearing, fiction, fictive, fireant, forcing, foreign, forgave, forgive, frantic, frigate, geofact, granite, igniter, ignitor, inciter, inertia, infarct, ingraft, ingrate, inviter, invitro, invoice, ironage, niftier, orating, organic, otarine, overact, rafting, reaving, reicing, rifting, rioting, tangier, tearing, tiering, tracing, vearing, vertigo, vetoing, vinegar, vintage, vitrine, voicing