Chancellor vs democrat

Chancellor

noun
  • An honorific for the head of state of a republic in Germany. 

democrat

noun
  • Someone who rules a representative democracy. 

  • A supporter of democracy; an advocate of democratic politics (originally (historical) as opposed to the aristocrats in Revolutionary France). 

  • A large light uncovered wagon with two or more seats. 

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