complain vs fulminate

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. 

fulminate

verb
  • To make a verbal attack. 

  • To issue as a denunciation. 

  • To thunder or make a loud noise. 

noun
  • Any salt or ester of fulminic acid, mostly explosive. 

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