complain vs recriminate

complain

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

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

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

recriminate

verb
  • To accuse in return, state an accusation in return, make a countercharge. 

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