The word pawnbrokers 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: 25
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (35 words)
bankers, barkers, barrens, barrows, bonkers, boranes, brokers, browner, browser, enwraps, knowers, narrows, penwork, persona, porkers, pranker, prawner, preknow, presoak, probers, rankers, reparks, respawn, reworks, rewraps, seaworn, spanker, sparker, sparrow, spawner, swanker, warners, warpers, weapons, workers