discrepancy vs inexistence

discrepancy

noun
  • The state or quality of being discrepant. 

  • An inconsistency between facts or sentiments. 

inexistence

noun
  • The state of not being, not existing, or not being perceptible. 

  • The state of existing in something 

  • That which exists within; a constituent. 

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