denialism vs rebuttal

denialism

noun
  • The practice of rejecting propositions which are strongly supported by scientific or historical evidence, and often of seeking to influence policy processes and outcomes accordingly. 

rebuttal

noun
  • A statement, designed to refute or negate specific arguments put forward by opponents. 

  • The act of contradicting something by making a contrary argument, or presenting contrary evidence. 

  • A pleading by a defendant in reply to the evidence put forward by a plaintiff or the prosecution. 

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