firewater vs rakija

firewater

noun
  • High-proof alcohol, especially whiskey (especially in the context of its sale to or consumption by Native Americans). 

  • High-temperature hydraulic condensate discharged from industrial boilers. 

  • Water for use in firefighting. 

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 firewater and rakija occurred in a corpus of books? (source: Google Ngram Viewer )