kirmess vs national holiday

kirmess

noun
  • An outdoor festival and fair, usually in a German or Dutch-speaking country 

  • An indoor entertainment and fair combined. 

national holiday

noun
  • A public holiday. 

  • A statutory holiday enacted by a country to commemorate the country itself. 

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