alleviation vs vulnerary

alleviation

noun
  • the act of reducing pain or anything else unpleasant; easement 

  • the act of alleviating; relief or mitigation. 

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 alleviation and vulnerary occurred in a corpus of books? (source: Google Ngram Viewer )