disconnection vs immixture

disconnection

noun
  • Absence of rapport; the nonexistence of, or a breakdown of, effective communication. 

  • Severance of a physical connection. 

  • Unexpected termination of a telephone connection. 

immixture

noun
  • The act, or the result of immixing 

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