disarticulation vs disconnection

disarticulation

noun
  • The act of disarticulating. 

  • Some amputations: where a joint is disarticulated: e.g. knee, hip, elbow or shoulder disarticulation. 

disconnection

noun
  • Severance of a physical connection. 

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

  • Unexpected termination of a telephone connection. 

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