solace vs take heart

solace

verb
  • To take comfort; to be cheered. 

  • To allay or assuage. 

  • To give solace to; comfort; cheer; console. 

noun
  • Comfort or consolation in a time of loneliness or distress. 

  • A source of comfort or consolation. 

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