The word carbonised 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: (68 words)
abiders, abscind, abscond, acnodes, adonise, aerobic, airbeds, aneroid, anodise, arcsine, arsenic, ascribe, barcode, beacons, binders, binodes, bodices, boranes, brained, braised, broaden, brocade, cairned, candies, candors, canoers, carbide, carbine, carbons, carnies, ceroids, cinders, coarsen, coiners, corands, corneas, cronies, dancers, deacons, decarbs, discern, disrobe, donairs, ebonics, inboard, inbreds, incased, indorse, inroads, nordics, ordains, radices, rebinds, rebonds, recoins, rescind, roadies, rosined, sandier, sarcode, sardine, scabrid, scoriae, scorned, scribed, seabird, sidebar, sidecar