alterative vs curative

alterative

noun
  • A medicine or treatment which works by changing processes within the body, rather than by evacuating something etc. 

adj
  • Gradually changing, or tending to change, a morbid state into a healthy one. 

  • Causing alteration. 

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" 

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