The word learnedness 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: 15
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (35 words)
dealers, earless, eldress, endears, endless, enlards, enseals, ensears, ensnare, ensnarl, landers, leaders, leaners, learned, leasers, lenders, needers, needler, needles, redeals, redness, release, resales, resands, reseals, reseeds, resends, sanders, sealers, seeders, senders, slander, slender, snarled, sneered