demulcent vs vulnerary

demulcent

noun
  • A soothing medication used to relieve pain in inflamed tissues. 

adj
  • Soothing or softening. 

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