The word ravigottes 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: 16
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (31 words)
aigrets, artiest, attires, egotist, gaiters, garotte, gavotte, geostat, goiters, goitres, goriest, gravest, gravies, grovets, iratest, ovaries, oversat, oversit, retoast, rotates, stagier, stative, storage, striate, targets, tastier, toaster, triages, trivets, veritas, vertigo