disagreement vs resignation

disagreement

noun
  • A condition of not agreeing or concurring. 

  • An argument or debate. 

resignation

noun
  • An uncomplaining acceptance of something undesirable but unavoidable. 

  • A written or oral declaration that one resigns. 

  • The form by which a vassal returns the feu into the hands of a superior. 

  • The act of resigning. 

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