The word replenished 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
Seven Letter Word Alert: (43 words)
deepens, deepish, delphis, deniers, helpers, hinders, lenders, linseed, needers, needier, needler, needles, peelers, periled, pheesed, preened, preside, redline, reheels, rehides, relined, relines, repeels, repiled, repiles, repined, repines, replied, replies, reshine, ripened, seedier, seepier, sheered, shrined, sleeper, slender, sneered, speeder, spender, sphered, spindle, splined