firestorm vs inferno

firestorm

noun
  • A fire whose intensity is greatly increased by inrushing winds. 

  • An intense or violent altercation. 

inferno

noun
  • A large fire; a conflagration. 

  • A place or situation resembling Hell. 

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