congruity vs disagreement

congruity

noun
  • The quality of agreeing; the quality of being suitable and appropriate. 

  • An instance or point of agreement or correspondence; a resemblance. 

disagreement

noun
  • A condition of not agreeing or concurring. 

  • An argument or debate. 

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