The word disembowels 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: 22
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (25 words)
bedless, besides, beslime, blessed, blissed, bolides, boweled, debowel, delimbs, delimes, demises, deslime, dewless, diesels, edibles, elbowed, embowel, meioses, mildews, misdoes, mobiles, oilseed, webless, wimbled, wimbles