abiding vs impermanent

abiding

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

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

impermanent

adj
  • not permanent; unperpetual. 

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