ignorance vs unconsciousness

ignorance

noun
  • The condition of being uninformed or uneducated; lack of knowledge or information. 

  • Sins committed through ignorance. 

unconsciousness

noun
  • ignorance or innocence; the state of being uninformed or unaware 

  • The state of lacking consciousness, of being unconscious 

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