nix vs parvenu

nix

verb
  • To make something become nothing; to reject or cancel. 

  • To destroy or eradicate. 

noun
  • Nothing. 

  • A treacherous water-spirit; a nixie. 

intj
  • No! Not at all! 

parvenu

adj
  • Being a parvenu; also, like, having the characteristics of, or associated with a parvenu. 

noun
  • A person who has risen, climbed up, or has been promoted to a higher social class, especially through acquisition of wealth, privileges, or political authority but has not gained social acceptance by those within that new class. 

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