repentance vs shamelessness

repentance

noun
  • A feeling of regret or remorse for doing wrong or sinning. 

  • The condition of being penitent. 

shamelessness

noun
  • An utterance or action which is shameless. 

  • The state or characteristic of being shameless. 

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