The word lawbreakers 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: 22
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (25 words)
abraser, balkers, barkers, barrels, barware, beakers, bearers, berserk, bleaker, brawler, breaker, brewers, leakers, reakers, realers, reawake, rebakes, rebales, reswear, rewalks, swearer, walkers, warbler, warbles, wearers