indisposition vs inexistence

indisposition

noun
  • A state of not being disposed to do something; disinclination; unwillingness. 

  • A bad mood or disposition. 

  • A mild illness, the state of being indisposed. 

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 indisposition and inexistence occurred in a corpus of books? (source: Google Ngram Viewer )