The word peregrinating 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: 22
Highest Scoring Words With Friends™ Play In The Letters peregrinating
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Seven Letter Word Alert: (85 words)
angrier, antigen, arenite, earning, earring, entrain, gaining, gaiting, gearing, gentian, girning, grainer, granite, grantee, granter, grating, greaten, greater, grinner, griping, igniter, inepter, inerter, inertia, ingrain, ingrate, integer, nearing, nitrene, paining, painter, pairing, panting, parging, parting, partner, peatier, peering, pentane, pertain, piggier, pinging, pinnate, prairie, prating, printer, raggier, rainier, raining, rangier, ranging, ranting, reagent, reaping, rearing, regnant, regrant, regrate, reigner, reining, reinter, renting, repaint, repiner, reprint, retrain, ringgit, ringing, taggier, tangier, taperer, tarring, tearier, tearing, terpine, terrain, terrane, tiering, tinging, tinnier, trainee, trainer, treeing, triaene, trigger