The word defecations 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: (69 words)
acetone, acnodes, aconite, actions, adonise, aniseed, anodise, atonics, candies, cations, cenotes, cestode, coasted, codeine, coedits, coesite, confide, confits, dacites, deacons, deafens, deafest, decanes, decants, deceits, defaces, defeats, defects, defiant, defines, denoise, denotes, descant, descent, destain, destine, detains, diocese, discant, donates, enacted, encased, encodes, enticed, entices, faceted, faction, fadeins, fainted, fancied, fancies, feasted, fiancee, fiances, foisted, fondest, incased, infects, instead, noticed, notices, octanes, octenes, sainted, scented, section, stained, standee, tacnode