The word wrongfulness 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™ Plays In The Letters
Seven Letter Word Alert: (39 words)
engross, engulfs, ensouls, flowers, fogless, fowlers, funnels, furless, furlong, glosser, glowers, golfers, grouses, gunless, gunners, longrun, lounger, lounges, lowness, neurons, nonself, nonuser, ourself, ownself, reflogs, reflown, reflows, regloss, reglows, regulon, renowns, runnels, sulfone, sunglow, surgeon, unflown, unswore, unsworn, worsens