rectitude vs sinfulness

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. 

sinfulness

noun
  • The property of being sinful. 

  • The result or product of being sinful. 

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