reformatory vs rehabilitative

reformatory

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

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

rehabilitative

adj
  • Tending to rehabilitate. 

  • For the purpose of rehabilitation. 

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