catastrophe vs salvation

catastrophe

noun
  • A disaster beyond expectations. 

  • Any large and disastrous event of great significance. 

  • The dramatic event that initiates the resolution of the plot; the dénouement. 

  • A type of bifurcation, where a system shifts between two stable states. 

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 catastrophe and salvation occurred in a corpus of books? (source: Google Ngram Viewer )