barmaid vs drinkologist

barmaid

noun
  • A woman who serves in a bar. 

drinkologist

noun
  • A person who specializes in innovating and creating new beverages, such as employed in food labs of drink companies and beverage shops such as cafe chains. 

  • A connaisseur of alcoholic beverages 

  • An alcoholic 

  • Synonym of mixologist, such as a bartender, cocktail chef. 

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