The word despatching 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: 23
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (79 words)
achiest, aitches, aseptic, cagiest, candies, cashing, casting, catnips, ceasing, chained, changed, changes, chanted, chasing, chasten, chipset, dacites, dashing, decants, depicts, descant, destain, detains, discant, discept, dishpan, ditches, echidna, edaphic, etching, ethnics, gnashed, handset, haptics, hatpins, heading, headpin, heaping, heating, hepatic, incased, indepth, inscape, inspect, instead, painted, panties, pasting, patched, patches, patined, patines, pectins, pedants, phasing, picante, pinched, pinches, pinhead, pitched, pitches, pithead, sainted, sandpit, scathed, seating, shading, shaping, shinpad, sighted, spacing, spading, sphenic, spicate, spinach, stained, stipend, tapings, teasing