libation vs mixed drink

libation

noun
  • A beverage, especially an alcoholic one. 

  • The act of pouring a liquid, most often wine, in sacrifice on the ground, on a ritual object, or on a victim, in honor of some deity. 

  • The wine or liquid thus poured out. 

mixed drink

noun
  • An alcoholic drink made from one or more kinds of liquor mixed with other ingredients. 

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