irruption vs storming

irruption

noun
  • The action of irrupting or breaking into; a violent entry or invasion; an inbreaking; an intrusion. 

  • An abrupt increase in the size of a movement or organization. 

  • An abrupt increase of an animal population. 

storming

noun
  • The act by which something is stormed. 

  • The act of one who storms or rages. 

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