unredeemed vs untempered

unredeemed

adj
  • Not redeemed; not granted redemption or salvation; unsaved. 

  • Unspent; not used in a purchase, and thus still usable. 

untempered

adj
  • Not tempered; not conditioned by a process. 

  • In the case of a person, inexperienced; untested. 

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