Lady Muck vs dignitary

Lady Muck

name
  • An appellation given to a woman who behaves in a perceived aristocratic manner. 

dignitary

noun
  • An important or influential person, or one of high rank or position. 

adj
  • Relating to dignity. 

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