curative vs salutary

curative

adj
  • Remediative. 

  • Possessing the ability to cure, to heal or treat illness. 

  • of a verb, conveying the meaning "the agent makes a patient do something" 

noun
  • A substance that acts as a cure. 

salutary

adj
  • Effecting or designed to effect an improvement; remedial: salutary advice. 

  • Promoting good health and physical well-being; wholesome; curative. 

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