act of God vs oddity

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. 

oddity

noun
  • An odd or strange thing or opinion. 

  • Strangeness. 

  • A strange person; an oddball. 

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