beverage vs thickshake

beverage

noun
  • A liquid to consume; a drink, such as tea, coffee, liquor, beer, milk, juice, or soft drinks, usually excluding water. 

thickshake

noun
  • A beverage consisting of milk and ice cream mixed together, often with other flavorings as well. 

  • An imitation milkshake (in locales where "milkshake" refers to the drink specified above), often containing no milk. 

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