brave vs take heart

brave

verb
  • To encounter with courage and fortitude, to defy, to provoke. 

  • After braving tricks on the high-dive, he braved a jump off the first diving platform. 

adj
  • Strong in the face of fear; courageous. 

  • Making a fine show or display. 

  • Foolish or unwise. 

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 brave and take heart occurred in a corpus of books? (source: Google Ngram Viewer )