The word rediscovered 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
Seven Letter Word Alert: (77 words)
ceroids, cervids, cervoid, codrive, covered, coverer, crosier, deceive, decider, decides, decoder, decodes, decreed, decreer, decrees, decried, decrier, decries, deicers, derider, derides, derived, deriver, derives, derries, deserve, desired, desirer, devices, devised, devisee, deviser, devisor, diocese, discord, diverse, divorce, drivers, erosive, ordered, overdid, overrid, oversee, receded, recedes, receive, recoded, recodes, records, recover, redried, redries, redrive, reedier, rescore, reserve, resided, resider, revered, reveres, reverie, reverse, revised, reviser, revoice, rivered, rodders, seceded, seceder, seedier, service, severed, severer, soddier, videoed, voicers, voiders