firewater vs jet fuel

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. 

jet fuel

noun
  • Strong home-brewed alcoholic drink; moonshine. 

  • kerosene 

  • The fuel that powers a jet aircraft. 

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