claim vs refutation

claim

noun
  • A new statement of something one believes to be the truth, usually when the statement has yet to be verified or without valid evidence provided. 

  • The right or ground of demanding. 

  • The thing claimed. 

  • A demand of ownership for previously unowned land. 

  • A demand of ownership made for something. 

  • A legal demand for compensation or damages. 

verb
  • To be entitled to anything; to deduce a right or title; to have a claim. 

  • To cause the loss of, usually by violent means. 

  • To demand ownership of. 

  • To demand ownership or right to use for land. 

  • To state a new fact, typically without providing evidence to prove it is true. 

  • To demand compensation or damages through the courts. 

refutation

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

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

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