shutdown vs stoppage

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. 

stoppage

noun
  • A pause or halt of some activity. 

  • Something that forms an obstacle to continued activity; a blockage or obstruction. 

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