anguish vs break someone's heart

anguish

verb
  • To suffer pain. 

  • To cause to suffer pain. 

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

break someone's heart

verb
  • To cause a person to feel grief, disappointment or sadness. 

How often have the words anguish and break someone's heart occurred in a corpus of books? (source: Google Ngram Viewer )