libation vs vulnerary

libation

noun
  • 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. 

  • A beverage, especially an alcoholic one. 

  • The wine or liquid thus poured out. 

vulnerary

noun
  • A healing drug or other agent used in healing and treating wounds. 

adj
  • Useful or used for healing wounds; healing, curative. 

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