miracle vs vis major

miracle

noun
  • An event that appears inexplicable by the laws of nature and so is held to be supernatural in origin. 

  • A fortunate outcome that prevails despite overwhelming odds against it. 

  • An awesome and exceptional example of something 

verb
  • To affect by a miracle; to work a miracle upon. 

vis major

noun
  • A greater force; "act of God"; unavoidable accident. 

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