The word paraparesis 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: (23 words)
appears, apprise, aspirer, aspires, paresis, parsers, praiser, praises, raisers, rappers, raspers, raspier, repairs, rippers, sappers, sappier, sarapes, sierras, sippers, sparers, sparser, spiraea, spireas