The word decarbonized 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: 30
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (59 words)
abidden, adenoid, adonize, adorned, aerobic, android, aneroid, anodize, barcode, beadier, bearded, bedared, bedcord, bedizen, bendier, benzoic, benzoid, boarded, braided, brained, braized, branded, breaded, broaden, brocade, bronzed, cairned, candied, carbeen, carbene, carbide, carbine, codeine, dandier, deaired, deboned, deboner, debride, decider, decoder, decried, diazene, drained, encoded, encoder, encored, enrobed, inboard, inbreed, radioed, readied, recaned, recoded, rezoned, roadbed, zebraic, zebrine, zebroid, zincode