café au lait vs demitasse

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. 

demitasse

noun
  • The cup in which this coffee is served. 

  • A small cup of strong black coffee. 

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