The word destressing 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: 15
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (58 words)
deniers, densest, deserts, designs, desires, desists, dessert, destine, diester, dieters, digests, digress, dissent, dresses, edgiest, entries, genders, genesis, greisen, ingests, ingress, inserts, integer, nesters, redness, reedits, regents, reigned, renests, resends, resents, resides, resigns, resists, resting, sedgier, seeding, seitens, senders, sestine, signees, signers, signets, singers, sinters, sisters, snidest, sterned, stinger, strides, strings, tenders, tigress, tinders, treeing, tressed, tresses, trienes