abnegation vs denialist

abnegation

noun

  • A denial; a renunciation; denial of desire or self-interest. 

denialist

noun

  • One who denies an assertion in a controversial debate. 

adj

  • Relating to denial in a controversial debate. 

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