alterative vs vulnerary

alterative

noun
  • A medicine or treatment which works by changing processes within the body, rather than by evacuating something etc. 

adj
  • Gradually changing, or tending to change, a morbid state into a healthy one. 

  • Causing alteration. 

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