The word disparagers 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: 17
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (45 words)
airgaps, aspired, aspirer, aspires, despair, diapers, digress, drapers, gaspers, gaspier, gassier, girders, graders, grasped, grasper, grassed, gripers, parader, parades, paresis, parsers, passage, praised, praiser, praises, raiders, raisers, rapider, raspers, raspier, redrags, regards, regrasp, regrips, repairs, sarapes, sierras, spaders, sparers, sparred, sparser, spiders, spiraea, spireas, spreads