abiding vs nonexistent

abiding

adj
  • Continuing or persisting in the same state: lasting, enduring; steadfast. 

noun
  • The action of one who abides; the state of an abider. 

nonexistent

adj
  • Not existent or existing; not real. 

  • Not present or occurring. 

noun
  • Something that does not exist. 

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