curative vs selfheal

curative

noun
  • A substance that acts as a cure. 

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

  • Remediative. 

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

selfheal

noun
  • Especially, Prunella vulgaris. 

  • A small, herbaceous European plant with blue-violet flowers from any species of genus Prunella. 

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