declination vs denial

declination

noun
  • A refusal. 

  • At a given point, the angle between magnetic north and true north. 

  • At a given point, the angle between the line connecting this point with the geographical center of the earth and the equatorial plane. 

denial

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

  • 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. 

  • Negationism, denialism of historical facts or accepted interpretation. 

  • The negation in logic. 

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