anguish vs suffering

anguish

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

verb
  • To cause to suffer pain. 

  • To suffer pain. 

suffering

noun
  • The condition of someone who suffers; a state of pain or distress. 

adj
  • Experiencing pain; characterized by suffering. 

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