acquiescence vs denial

acquiescence

noun
  • A silent or passive assent or submission, or a submission with apparent content, distinguished from avowed consent on the one hand, and on the other, from opposition or open discontent; quiet satisfaction. 

  • Inaction, passivity, or neglect to take legal action when it is called for in order to assert, preserve, or safeguard a right, and which inaction implies the abandonment of said right. 

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 acquiescence and denial occurred in a corpus of books? (source: Google Ngram Viewer )