paregoric vs vulnerary

paregoric

adj
  • Assuaging or soothing pain. 

noun
  • A painkiller; a medicine which soothes or relieves pain; specifically the traditional patent medicine consisting of camphorated tincture of opium. 

vulnerary

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

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

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