café vs espresso

café

noun
  • A coffee shop; an establishment selling coffee and sometimes other non-alcoholic beverages, simple meals or snacks, with a facility to consume them on the premises. 

  • A small restaurant of any genre. 

espresso

noun
  • A concentrated coffee beverage brewed by forcing hot water under high pressure through finely ground coffee. 

  • A drink that includes espresso as an ingredient. 

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