remedial vs vulnerary

remedial

adj
  • curative; providing a remedy 

  • intended to remediate (i.e., correct or improve) deficient skills in some subject 

noun
  • A pupil enrolled in special classes to improve deficient skills. 

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