anguish vs complain

anguish

verb
  • To suffer pain. 

  • To cause to suffer pain. 

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

complain

verb
  • To express feelings of pain, dissatisfaction, or resentment. 

  • To creak or squeak, as a timber or wheel. 

  • To make a formal accusation or bring a formal charge. 

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