incurable vs reparative

incurable

noun
  • One who cannot be cured. 

adj
  • Irremediable, incorrigible. 

  • Of an illness, condition, etc, that is unable to be cured; healless. 

reparative

noun
  • That which repairs. 

adj
  • Tending to or intended to repair. 

  • Of, pertaining to, or being a reparation. 

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