redemption vs reinstalment

redemption

noun
  • The act of redeeming or something redeemed. 

  • The recovery, for a fee, of a pawned article. 

  • Rescue upon payment of a ransom. 

  • Salvation from sin. 

reinstalment

noun
  • The act of reinstalling. 

  • An additional or changed instalment. 

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