afternoon tea vs appetizer

afternoon tea

noun
  • A formal afternoon meal comprising light snacks, accompanied by tea. 

  • A small meal or snack eaten between lunch and dinner (supper); a period of time set aside for this purpose, taken as a break from work or from a conference. 

appetizer

noun
  • A small, light, and usually savory first course in a meal 

  • Something that creates or increases excitement for what is to follow. 

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