The word borderlands 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: 18
Highest Scoring Words With Friends™ Plays In The Letters borderlands
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Seven Letter Word Alert: (50 words)
adorers, adorned, adorner, albedos, arbored, barrels, barrens, bedlars, bedload, bladder, blander, blonder, blondes, boarded, boarder, boranes, borders, branded, brander, broaden, broader, danders, dandler, dandles, darners, deodars, enlards, errands, labored, laborer, ladders, landers, larders, loaders, loaners, nodders, ordeals, orleans, readorn, reboard, rebonds, rebrand, reloads, reloans, roadbed, rodders, saddler, slander, snarled, snarler