disconnection vs interrelationship

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. 

interrelationship

noun
  • A relationship between multiple things. 

adj
  • Between multiple relationships; interrelation 

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