alterative vs reparatory

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. 

reparatory

adj
  • Relating to repair or reparation. 

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