backset vs nix

backset

noun
  • Whatever is thrown back in its course, such as water. 

  • A check; a relapse; a discouragement; a setback. 

verb
  • To plow again in the fall; said of prairie land broken up in the spring. 

nix

noun
  • A treacherous water-spirit; a nixie. 

  • Nothing. 

intj
  • No! Not at all! 

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

  • To destroy or eradicate. 

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