dignity vs rectitude

dignity

noun
  • Decorum, formality, stateliness. 

  • One holding high rank; a dignitary. 

  • High office, rank, or station. 

  • The male genitalia. 

  • The state of being dignified or worthy of esteem: elevation of mind or character. 

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 dignity and rectitude occurred in a corpus of books? (source: Google Ngram Viewer )