inexistence vs inhesion

inexistence

noun
  • That which exists within; a constituent. 

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

  • The state of existing in something 

inhesion

noun
  • inherence; act of inhering 

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