The word spluttering 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: 19
Highest Scoring Words With Friends™ Play In The Letters spluttering
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Seven Letter Word Alert: (92 words)
eluting, entrust, girnels, glisten, glister, glitter, gluiest, glutens, gristle, gruntle, gulpers, gunters, gustier, gutsier, gutters, intrust, letting, lineups, lingers, litters, luniest, lupines, lustier, lusting, lutites, nutlets, nutsier, nutters, nuttier, pelting, penults, petting, piglets, pingers, pingler, pingles, plugins, plunger, plunges, pterins, pulsing, puniest, punster, punters, purines, purlins, pursing, putters, puttier, putties, putting, reinput, replugs, resplit, resting, retilts, retints, reusing, ringlet, rulings, rusting, rutiles, rutting, setting, singlet, slinger, slitter, spinule, spittle, splurge, sputter, stilter, stinger, stipule, stunter, stuping, testing, tilters, tingler, tingles, tinters, tipster, triples, triplet, turnips, turtles, ugliest, uniters, unsplit, unstrip, uprisen, utensil