act of God vs ruination

act of God

noun
  • An unforeseen occurrence beyond one's control, such as a natural disaster. 

  • Used other than figuratively or idiomatically: see act, of, God. 

ruination

noun
  • The cause of being ruined, destroyed or lost. 

  • The state of being ruined, a state of devastation or destruction. 

  • A loss of reputation. 

  • The act of ruining or wrecking. 

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