The word parentheses 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: 17
Highest Scoring Words With Friends™ Play In The Letters parentheses
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Seven Letter Word Alert: (75 words)
anthers, aptness, arsheen, asperse, earnest, earthen, eastern, ensears, entraps, entrees, ethanes, ethenes, hapters, harness, hastens, heapers, hearses, hearten, heaters, heptane, heptene, nearest, nesters, panters, panther, parents, pasters, pesters, pheeses, phenate, phrases, preheat, present, presets, pretans, preteen, rashest, reheaps, reheats, renests, repaste, repasts, repeats, repents, reseats, resents, reshape, resnaps, respans, resteps, retapes, sateens, seaters, seether, seethes, senates, sensate, serapes, seraphs, serpent, shapers, sharpen, sheeter, sherpas, sparest, sphenes, spheres, steepen, steeper, sterane, teasers, tephras, terpene, trashes, trepans