reformatory vs reverberate

reformatory

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

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

reverberate

adj
  • reverberant 

  • Driven back, as sound; reflected. 

verb
  • To return or send back; to repel or drive back; to echo, as sound; to reflect, as light, as light or heat. 

  • To ring or sound with many echos. 

  • To rebound or recoil. 

  • To have a lasting effect. 

  • To send or force back; to repel from side to side. 

  • To repeatedly return. 

  • To fuse by reverberated heat. 

  • To shine or reflect (from a surface, etc.). 

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