The word reappraises 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™ Plays In The Letters
Seven Letter Word Alert: (40 words)
appears, appease, apprise, asperse, aspirer, aspires, erasers, paperer, paresis, parsers, praiser, praises, prepare, presser, raisers, rappers, raspers, raspier, reapers, rearise, repairs, repaper, reparse, repipes, repress, reprise, rerapes, respire, rippers, sappers, sappier, sarapes, serapes, sierras, sippers, sparers, sparser, spearer, spiraea, spireas