The word paperweights 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™ Plays In The Letters paperweights
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Seven Letter Word Alert: (86 words)
aeriest, aigrets, apprise, atheise, earwigs, eighter, epitaph, gaiters, gappers, gaspier, gathers, gawpers, gearset, happier, hapters, harpies, harpist, hastier, heapers, heaters, hippest, pargets, parties, pastier, peatier, peptise, perhaps, pewters, pigwash, pirates, preheat, presage, pretape, prewash, reheaps, reheats, repages, repaste, repeats, repipes, reshape, resight, respite, restage, reswept, retapes, rethaws, reweigh, rewipes, sappier, seriate, sharpie, shipper, sighter, spewier, spright, stagier, stepper, swapper, sweater, tappers, tephras, tippers, traipse, triages, waiters, wappers, wariest, warship, waspier, wearies, wearish, weather, weigher, weights, whereas, whereat, whipper, whippet, whisper, wiretap, withers, wraiths, wreathe, wreaths, writhes