denier vs refutation

denier

noun
  • One who denies or forbids something. 

  • One who denies the existence of something. 

  • An old French coin worth one-twelfth of a sou. 

  • A unit of linear density which indicates the fineness of fiber or yarn, equal to one gram per 9000 meters, used especially to measure or indicate the fineness of hosiery. Originally equal to the weight of a denier coin per 9600 aunes. 

refutation

noun
  • A vocal answer to an attack on one's assertions. 

  • An act of refuting or disproving; the disproving of an argument, opinion, testimony, doctrine or theory by argument or countervailing proof; evidence of falseness. 

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