The word underexposed 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: 26
Highest Scoring Words With Friends™ Plays In The Letters underexposed
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Seven Letter Word Alert: (52 words)
deepend, deepens, denuder, denudes, depends, deponed, depones, deposed, deposer, desexed, despond, dresden, endorse, endured, endures, ensured, expends, expense, exposed, exposer, expound, needers, nodders, openers, perused, ponders, pounded, pounder, preened, reddens, redound, reopens, reposed, resound, respond, rounded, seedpod, sneered, sounded, sounder, speeded, speeder, spender, spondee, spurned, supered, undoers, undoped, undosed, unposed, unsexed, upended