black coffee vs joe

black coffee

noun
  • Coffee served as a beverage without cream or milk. 

joe

noun
  • Coffee. 

  • Synonym of johannes (“An old Portuguese gold coin bearing a figure of John V of Portugal.”) 

  • A spy, especially a double agent. 

  • A male; a guy; a fellow. 

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