bathtub gin vs poteen

bathtub gin

noun
  • Gin or a similar alcoholic beverage which is of very poor quality, as if made by a homebrewer in a bathtub. 

poteen

noun
  • An unlicensed drinking establishment selling illegally produced Irish whiskey. 

  • Illegally produced Irish whiskey; moonshine. 

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