stimulate vs take heart

stimulate

verb
  • To encourage into action. 

  • To arouse an organism to functional activity. 

take heart

verb
  • To be courageous; to regain one's courage. 

intj
  • Used when encouraging someone to bear or take up a difficult situation. 

How often have the words stimulate and take heart occurred in a corpus of books? (source: Google Ngram Viewer )