Democrat vs top brass

Democrat

noun
  • A member or supporter of a democratic party. 

  • A proponent of democracy. 

  • A member or supporter of the Democratic Party in the United States. 

adj
  • Of or belonging to the Democratic Party in the United States. 

top brass

noun
  • A group of people who are the leaders or heads of an organization. 

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