counterknowledge vs falsity

counterknowledge

noun
  • Misinformation packaged to look like fact. 

falsity

noun
  • Something that is false; an untrue assertion. 

  • The falsity of that statement is easily proven. 

  • The characteristic of being untrue. 

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