apéritif vs snack food

apéritif

noun
  • An alcoholic drink served before a meal as an appetiser. 

snack food

noun
  • A food traditionally or commonly consumed as a snack between meals. 

  • Any other food consumed as a snack. 

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