complain vs take off hat to

complain

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

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

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

take off hat to

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