anguish vs encouragement

anguish

verb
  • To cause to suffer pain. 

  • To suffer pain. 

noun
  • Extreme pain, either of body or mind; excruciating distress. 

encouragement

noun
  • Words or actions that increase someone's confidence 

  • Something that incites, supports, promotes, protects or advances; incentive 

  • The feeling of being encouraged 

  • The act of encouraging 

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