congruence vs denial

congruence

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

  • Matrix similarity by an orthogonal matrix. 

  • A relation between two numbers indicating they give the same remainder when divided by some given number. 

  • More generally: any equivalence relation defined on an algebraic structure which is preserved by operations defined by the structure. 

  • The quality of being isometric — roughly, the same measure and shape. 

denial

noun
  • A disownment or disavowal 

  • An assertion of untruth. 

  • Refusal to believe that a problem exists. 

  • A defense mechanism involving a refusal to accept the truth of a phenomenon or prospect. 

  • Refusal to admit responsibility for wrongdoing. 

  • A refusal or failure to provide or grant something that is requested or desired. 

  • Negationism, denialism of historical facts or accepted interpretation. 

  • The negation in logic. 

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