The word redeposited 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: 16
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (57 words)
deepest, deports, deposed, deposer, deposit, depside, derides, desired, despite, diester, dieters, diopter, dioptre, dopiest, editors, eeriest, epidote, episode, erotise, peridot, periods, petered, poetise, posited, preedit, preside, reddest, reedits, reested, reposed, resided, respite, roisted, ropiest, seedier, seedpod, seepier, soddier, sortied, speeded, speeder, spirted, sported, steeped, steeper, steered, steroid, storied, striped, teddies, tepider, tierods, toddies, topside, torpids, tripeds, tripods