chophouse vs snack bar

chophouse

noun
  • Any restaurant. 

  • An inexpensive restaurant that specializes in chops or steaks; a steakhouse. 

  • A custom house in China where transit duties are levied. 

snack bar

noun
  • A small restaurant serving light meals. 

  • A bar-shaped snack, such as a chocolate bar. 

  • A counter in some other establishment having the same function. 

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