The word carburised 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: 18
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (42 words)
abduces, abiders, airbeds, ascribe, birders, bracers, braider, braised, braiser, brasier, bruised, bruiser, carbide, carders, carried, carries, crabier, cruised, cruiser, crusade, curried, curries, daubers, deburrs, decarbs, rabider, radices, raiders, rebraid, rescrub, rubrics, saucier, scabrid, scarier, scarred, scribed, scriber, seabird, sidebar, sidecar, subrace, uricase