ameliorative vs reparative

ameliorative

adj
  • Able to repair or ameliorate. 

  • Of or relating to conceptual engineering, the normative study of which conceptual demarcation is most conducive to solve the problems the concept is a priori taken to solve. 

  • Suggesting or relating to a positive or approving evaluation. 

noun
  • A linguistic unit (such as a word, morpheme) that implies a positive or approving evaluation. 

  • That which betters or improves. 

reparative

adj
  • Tending to or intended to repair. 

  • Of, pertaining to, or being a reparation. 

noun
  • That which repairs. 

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