alterative vs reparative

alterative

adj
  • Causing alteration. 

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

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

reparative

adj
  • Tending to or intended to repair. 

  • Of, pertaining to, or being a reparation. 

noun
  • That which repairs. 

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