healthful vs vulnerary

healthful

adj
  • Beneficial to bodily health. 

  • Conducive to moral or spiritual prosperity; salutary. 

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