cognac vs rakija

cognac

noun
  • A brandy distilled from white wine in the region around Cognac in France. 

rakija

noun
  • A strong distilled alcoholic beverage made from various fruits, varieties of which (such as slivovitz) are found across the Balkans and the Mediterranean. 

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