dignity vs politeness

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. 

politeness

noun
  • The quality of being polite. 

  • An act of politeness. 

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