condonation vs exoneration

condonation

noun
  • The condoning of an offence. 

  • A legal defense made when an accuser had forgiven or chosen to ignore an act about which they were legally complaining. ᵂᵖ 

  • The forgiveness of matrimonial infidelity. 

exoneration

noun
  • An act of disburdening, discharging, or freeing morally from a charge or imputation. 

  • The state of being disburdened or freed from a charge. 

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