fish fry vs hangi

fish fry

noun
  • A meal, especially a cookout, featuring deep-fried, battered fish. 

hangi

noun
  • Food cooked in this way. 

  • A traditional Māori method of cooking food using heated rocks buried in a pit oven. 

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