espresso vs white coffee

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. 

white coffee

noun
  • Coffee (the drink) with milk added. 

  • A serving of such. 

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