blizzard vs snowshower

blizzard

noun
  • A large snowstorm accompanied by strong winds and greatly reduced visibility caused by blowing snow. 

  • A large amount of paperwork. 

  • A large number of similar things. 

verb
  • To fall in windy conditions. 

snowshower

noun
  • snowfall 

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