café au lait vs cappuccino

café au lait

noun
  • A light coffee colour. 

  • A mixture of coffee and hot milk. 

  • Coffee and hot milk served in separate jugs as a breakfast drink. 

cappuccino

noun
  • A medium- to dark-brown colour like that of the coffee drink (sense 1) or the habit of a Capuchin monk. 

  • An Italian coffee-based beverage made from espresso to which milk that has been steamed and/or frothed is added; (countable) a cup of this beverage. 

  • Any of various similar drinks. 

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