The word irrecoverable 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: 24
Highest Scoring Words With Friends™ Play In The Letters irrecoverable
:
Seven Letter Word Alert: (35 words)
aerobic, averrer, barrier, believe, bereave, bolivar, broiler, caliber, calibre, calorie, caroler, carrier, caviler, cerebra, clavier, clearer, cleaver, coalier, coverer, crabier, earlier, earlobe, laborer, leerier, overlie, rebrace, receive, recover, relieve, reveler, reverie, reviler, revoice, velaric, vocable