amnesty vs captivity

amnesty

noun
  • Forgetfulness; cessation of remembrance of wrong; oblivion. 

  • An act of the sovereign power granting oblivion, or a general pardon, for a past offense, as to subjects concerned in an insurrection. 

verb
  • To grant a pardon (to a group) 

captivity

noun
  • The state or period of being imprisoned, confined, or enslaved. 

  • The state of being captive. 

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