interruption vs moratorium

interruption

noun
  • The act of interrupting, or the state of being interrupted. 

  • A time interval during which there is a cessation of something. 

moratorium

noun
  • A suspension of an ongoing activity. 

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

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