invasion vs storming

invasion

noun
  • A military action consisting of armed forces of one geopolitical entity entering territory controlled by another such entity, generally with the objective of conquering territory or altering the established government. 

  • The breaching of the skin barrier. 

  • The spread of cancer cells, bacteries and such to the organism. 

  • The entry without consent of an individual or group into an area where they are not wanted. 

storming

noun
  • The act by which something is stormed. 

  • The act of one who storms or rages. 

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