hellfire vs inferno

hellfire

noun
  • A fire that burns with unusual heat or ferocity. 

  • The fire of Hell. 

  • Fire produced by the Devil, or a similar supernatural creature connected to Hell. 

adj
  • Of or relating to a violent, apocalyptic and ultimate day of reckoning and judgment; usually characterizing a form of Christian preaching. 

intj
  • hell; damn; blast 

inferno

noun
  • A large fire; a conflagration. 

  • A place or situation resembling Hell. 

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