averruncation vs extinguishment

averruncation

noun
  • Eradication, uprooting. 

extinguishment

noun
  • The annihilation or extinction of a right or obligation. 

  • The act of extinguishing, putting out, or quenching, or the state of being extinguished. 

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