The word discreetness 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 discreetness
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Seven Letter Word Alert: (90 words)
censers, centers, centred, centres, cerises, cinders, cistern, credits, cresses, cresset, crested, cretins, deceits, decenes, decrees, decries, deicers, deniers, densest, descent, deserts, desires, desists, dessert, destine, diester, dieters, directs, discern, dissect, dissent, dresses, eeriest, entered, enteric, enticed, enticer, entices, entrees, entries, erected, essence, incests, insects, inserts, needers, needier, nesters, recedes, recited, recites, redness, reedits, reested, renests, rescind, resects, reseeds, resends, resents, resides, resists, scented, scenter, screeds, screens, seceder, secedes, secerns, secrete, secrets, seeders, seedier, seitens, senders, sestine, sincere, sinters, sisters, sneered, snidest, steered, sterned, strides, teenier, tenders, tinders, tressed, tresses, trienes