The word decarburise 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™ Plays In The Letters
Seven Letter Word Alert: (85 words)
abduces, abiders, airbeds, ascribe, barreed, beadier, bearers, because, bedares, berried, berries, birders, bracers, braider, braised, braiser, brasier, bruised, bruiser, carbide, carders, careers, carried, carries, cerebra, crabier, creased, creaser, cruised, cruiser, crusade, curried, curries, daubers, dearies, debaser, deburrs, decarbs, decares, decrier, decries, deicers, derbies, derries, desirer, erasure, rabider, radices, raiders, readers, readier, readies, rearise, rebased, rebrace, rebraid, recured, recures, recurse, recused, redries, reducer, reduces, rereads, rescrub, rescued, rescuer, resider, residue, rubrics, sabered, saucier, scabrid, scarier, scarred, scribed, scriber, seabird, secured, securer, seducer, sidebar, sidecar, subrace, uricase