The word backwoodsmen 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: 30
Highest Scoring Words With Friends™ Play In The Letters backwoodsmen
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Seven Letter Word Alert: (34 words)
abdomen, abscond, acnodes, backend, beacons, beckons, bedamns, bedsock, bemoans, bemocks, bookend, bosomed, caboose, comedos, comonad, condoms, coowned, cowbane, daemons, deacons, deskman, dockens, dockman, dockmen, meadows, smacked, smocked, snacked, swanked, swooned, webcams, woadmen, woodman, woodmen