anguish vs sorrow

anguish

verb
  • To suffer pain. 

  • To cause to suffer pain. 

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

sorrow

verb
  • To feel or express grief. 

  • To feel grief over; to mourn, regret. 

noun
  • (usually in plural) An instance or cause of unhappiness. 

  • unhappiness, woe 

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