rest and relaxation vs shutdown

rest and relaxation

shutdown

noun
  • The action of stopping operations; a closing, of a computer, business, event, etc. 

  • A statement, insult, etc. that prevents the opponent from replying further. 

  • An autistic response to stress or sensory overload, in which the individual freezes up and becomes silent, motionless, and unresponsive. 

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