innocence vs rectitude

innocence

noun
  • Absence of responsibility for a crime, tort, etc. 

  • Lack of ability or intention to harm or damage. 

  • Lack of understanding about sensitive subjects such as sexuality and crime. 

rectitude

noun
  • Conformity to the rules prescribed for moral conduct; (moral) uprightness, virtue. 

  • Straightness; the state or quality of having a constant direction and not being crooked or bent. 

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