jolly along vs take heart

jolly along

verb
  • To make (someone) happy or compliant, as by encouragement or flattery. 

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