ouzo vs vodka

ouzo

noun
  • A serving of this drink. 

  • An anise-flavoured aperitif, originating in Greece. 

vodka

noun
  • A serving of the above beverage. 

  • Neutral spirits distilled (or treated after distillation) so as to have no distinctive character, aroma, taste, or color. 

  • A clear distilled alcoholic liquor made from grain mash. 

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