District of Columbia vs Olympia

District of Columbia

name
  • The federal capital region of the United States of America. The City of Washington used to be a municipality within the District of Columbia until 1871, when two entities were merged. For this reason, the district is also generally known as Washington, D.C. 

Olympia

name
  • The capital city of Washington, United States and the county seat of Thurston County. 

  • A female given name from Ancient Greek; quite rare in English. 

  • An ancient city in Greece, home of the very first Olympic Games. 

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