red-handed vs sprung

red-handed

adj
  • Showing clear evidence of guilt; in the act of wrongdoing. 

  • Deadly, bloody. 

  • With hands that are red from blood. 

sprung

adj
  • Caught doing something illegal or against the rules. 

  • Utterly infatuated with someone; completely taken over by romantic interest. 

  • Fitted or cushioned with springs. 

How often have the words red-handed and sprung occurred in a corpus of books? (source: Google Ngram Viewer )