shutdown vs stopping

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. 

stopping

noun
  • The act of something that stops; a halt. 

  • Material for filling a cavity. 

  • A partition or door to direct or prevent a current of air. 

  • A pad or poultice of dung or other material applied to a horse's hoof to keep it moist. 

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