act of God vs salvation

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. 

salvation

verb
  • To save, in the religious sense; to bring to salvation. 

noun
  • The process of being restored or made new for the purpose of becoming saved; the process of being rid of the old poor quality conditions and becoming improved. 

  • The process of being saved, the state of having been saved (from hell). 

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