greasy spoon vs tea shop

greasy spoon

noun
  • An inexpensive diner or other informal restaurant, especially one specializing in frying or grilling. 

tea shop

noun
  • A cafe where tea is served with light (usually sweet) foods. 

  • A shop that sells tea. 

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