disagreement vs obedience

disagreement

noun
  • A condition of not agreeing or concurring. 

  • An argument or debate. 

obedience

noun
  • The collective body of persons subject to any particular authority. 

  • A written instruction from the superior of an order to those under him. 

  • Any official position under an abbot's jurisdiction. 

  • The quality of being obedient. 

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