critic vs deprecator

critic

noun
  • One who criticizes; a person who finds fault. 

  • A specialist in judging works of art. 

  • An opponent. 

  • A person who appraises the works of others. 

deprecator

noun
  • One who deprecates. 

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