ignorance vs reasoning

ignorance

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

  • Sins committed through ignorance. 

reasoning

noun
  • A Rastafari meeting held for the purposes of chanting, prayer and discussion. 

  • The deduction of inferences or interpretations from premises, abstract thought, ratiocination; (countable) any instance of this, especially as a process leading to an action, motive. 

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