act of God vs affliction

act of God

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

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

affliction

noun
  • A state of pain, suffering, distress or agony. 

  • Something which causes pain, suffering, distress or agony. 

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