The word exploiters 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: 21
Highest Scoring Words With Friends™ Play In The Letters exploiters
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Seven Letter Word Alert: (43 words)
elopers, epistle, epoxies, erotise, estriol, experts, expires, exploit, explore, exports, exposer, exposit, extirps, extoler, loiters, pelites, pelters, perlite, petiole, petrels, petrols, plexors, poetise, politer, poxiest, proxies, repiles, repilot, replies, replots, reptile, respelt, respite, resplit, retiles, ropiest, roselet, sextile, spoiler, sterile, toilers, triples, tripole