The word expeditiously 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: 28
Highest Scoring Words With Friends™ Play In The Letters expeditiously
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Seven Letter Word Alert: (82 words)
deepsix, deities, delouse, deploys, deposit, deputes, despite, despoil, detoxes, dieties, dilutes, dipoles, dispute, distyle, doilies, dopiest, duelist, dustily, epidote, episode, epistle, epoxide, epoxied, epoxies, epoxyed, euploid, eustely, eustyle, existed, explode, exploit, exposed, exposit, expulse, extoled, exulted, eyelids, eyepits, eyeslit, eyespot, idolise, idolist, iodites, iolites, isotype, loudest, oiliest, oilseed, outlies, outside, outsped, outyelp, oxidise, pelites, pestled, petiole, pieties, piloted, piously, piteous, poetise, posited, poxiest, seedily, sextile, sidelit, slipout, soliped, spoiled, spouted, steeply, stipule, styloid, tedious, tepidly, tipsily, toluide, topside, toupees, tousled, tuxedos, utilise