curative vs reformatory

curative

adj
  • Remediative. 

  • Possessing the ability to cure, to heal or treat illness. 

  • of a verb, conveying the meaning "the agent makes a patient do something" 

noun
  • A substance that acts as a cure. 

reformatory

adj
  • Of, pertaining to, or conducive to reform; reformative. 

noun
  • A prison, especially one for juveniles; a reform school. 

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