moratorium vs stoppage

moratorium

noun
  • A suspension of an ongoing activity. 

  • An authorization to a debtor, permitting temporary suspension of payments. 

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 moratorium and stoppage occurred in a corpus of books? (source: Google Ngram Viewer )