Hades vs inferno

Hades

name
  • The god of the underworld and ruler of the dead, son of Cronus and Rhea, brother of Zeus and Poseidon. 

  • Hell. 

  • The underworld, the domain of Hades, by transference from its god. 

  • In the Septuagint Bible, the Greek translation of Sheol. 

  • Hell as a waiting place for damned souls before the Last Judgement, after which they may be cast in Gehenna. 

inferno

noun
  • A place or situation resembling Hell. 

  • A large fire; a conflagration. 

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