alterative vs recuperative

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. 

recuperative

noun
  • Any remedy that aids recuperation. 

adj
  • In the way of recuperation. 

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