cup of tea vs masala chai

cup of tea

noun
  • Used other than figuratively or idiomatically: see cup, tea. A cup or mug with tea in it. 

  • three 

  • Whatever suits or interests one. 

masala chai

noun
  • Various beverages including sweetened black tea with milk and spices. 

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