deluge vs storm surge

deluge

noun
  • A great flood or rain. 

  • An overwhelming amount of something; anything that overwhelms or causes great destruction. 

  • A system for flooding or drenching a space, container, or area with water in an emergency to prevent or extinguish a fire. 

verb
  • To flood with water. 

  • To overwhelm. 

storm surge

noun
  • An unusual rise in sea level on a coast due to the action of high winds. 

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