annihilation vs internecion

annihilation

noun
  • The state of being annihilated. 

  • The act of destroying or otherwise turning into nothing, or nonexistence. 

  • The process of a particle and its corresponding antiparticle combining to produce energy. 

  • The act of destroying the form or combination of parts under which a thing exists, so that the name can no longer be applied to it. 

internecion

noun
  • destruction, massacre 

  • Mutual destruction. 

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