The word reconditioning 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™ Play In The Letters
Seven Letter Word Alert: (63 words)
citrine, coining, condign, condone, conning, connote, contend, cording, coreign, corndog, corning, coronet, cringed, crinoid, crooned, deicing, denning, denting, diction, dieting, dingier, dinning, dinting, diorite, donning, dooring, droning, editing, edition, eroding, grinned, groined, idiotic, ignited, igniter, ignitor, ignored, incited, inciter, inditer, intoned, intoner, ionogen, ironing, negroid, nitride, nondiet, noniron, nonriot, nooning, noticed, oncogen, redoing, reicing, reining, rending, renting, rioting, rooting, tending, tiering, tinnier, tinning