condonation vs exculpation

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. 

exculpation

noun
  • The act of exculpating from alleged fault or crime. 

  • That which exculpates; an excuse. 

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