Democrat vs chieftain

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. 

chieftain

noun

  • A leader of a group. 

  • A leader of a clan or tribe. 

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