dead on one's feet vs whipped

dead on one's feet

adj
  • tired to the point of exhaustion, but still awake and out of bed 

whipped

adj
  • Very tired, worn out, and exhausted. 

  • Prepared by whipping or beating. 

  • Controlled by a spouse or significant other to an unreasonable degree. 

How often have the words dead on one's feet and whipped occurred in a corpus of books? (source: Google Ngram Viewer )