The word reconverting 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: 23
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (41 words)
connive, convene, convent, convert, coreign, cornier, corning, coterie, coverer, coveter, cringer, enteric, enticer, environ, erector, evening, evictor, generic, genetic, griever, grinner, inerter, integer, intoner, nervier, nerving, nitrene, reciter, recover, reeving, reigner, reinter, renting, revoice, riveter, treeing, veering, venting, vertigo, vetoing, vintner