The word deshabilles 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: 19
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (30 words)
abseils, aediles, aidless, baldish, bedless, beheads, bellied, bellies, besides, biassed, blessed, blissed, deashes, debases, diesels, disable, disease, edibles, halides, labeled, leashed, leashes, libeled, lidless, seabeds, seaside, shelled, shields, shilled, slashed