The word underexposures 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: 28
Highest Scoring Words With Friends™ Play In The Letters underexposures
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Seven Letter Word Alert: (84 words)
deepens, depones, deposer, deposes, depress, desexes, dousers, dresser, dressup, endorse, endures, ensured, ensurer, ensures, espouse, expends, expense, exposed, exposer, exposes, expound, express, needers, nursers, openers, persons, perused, peruses, ponders, poseurs, pounder, pourers, preened, preener, pressed, presser, prouder, pruners, pursers, pursued, pursuer, pursues, redness, redress, renders, reopens, reposed, reposer, reposes, repours, repress, reprune, reseeds, resends, resorps, resound, respond, rounder, roundup, seeders, senders, serener, sneered, sneerer, snorers, sounder, speeder, spender, spondee, spoused, spurned, spurner, spurred, supered, suspend, undoers, undress, unposed, unsexed, uprouse, usurped, usurper, xeroses, xeruses