The word peregrinate 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™ Play In The Letters peregrinate
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Seven Letter Word Alert: (62 words)
angrier, arenite, eagerer, earring, enterer, epigene, grainer, granite, grantee, granter, greaten, greater, greener, greeter, inepter, inerter, ingrate, integer, painter, parting, partner, peatier, peerage, peering, perigee, pertain, prating, preener, preteen, printer, rangier, reagent, reaping, rearing, reenter, regrant, regrate, regreen, regreet, reigner, reinter, reneger, repaint, repiner, reprint, retiree, retrain, tangier, taperer, tarring, tearier, tearing, teenage, teenier, terpene, terpine, terrain, terrane, trainee, trainer, treeing, triaene