corrigent vs reparative

corrigent

adj
  • corrective 

noun
  • Any substance added to a medicine to make it more palatable 

reparative

adj
  • Tending to or intended to repair. 

  • Of, pertaining to, or being a reparation. 

noun
  • That which repairs. 

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