storm surge vs tempest

storm surge

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

tempest

noun
  • A storm, especially one with severe winds. 

  • Any violent tumult or commotion. 

verb
  • To storm. 

  • To disturb, as by a tempest. 

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