The word decarburizing 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: 33
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (80 words)
abiding, abridge, acidize, angrier, azurine, azuring, barring, beading, bearing, birding, bizarre, bracing, braider, brained, braized, braizer, brander, brazier, brazing, brigade, bringer, brinier, burring, cairned, carbide, carbine, carding, carried, crabier, crazier, crazing, cringed, cringer, curbing, curried, curring, daubing, deicing, denarii, deraign, diazine, dingier, drainer, earring, educing, gaudier, gauzier, gnarred, grained, grainer, grander, grinder, guarder, gurnard, inducer, rabider, raiding, rainier, randier, rangier, reading, rearing, rebraid, rebrand, regrind, reicing, reincur, ribcage, unaired, unbrace, unbraid, uncaged, uncared, urazine, uridine, zebraic, zincier, zingare, zingari, zingier