District vs Ellipse

District

name
  • The District of Columbia, the federal district of the United States. 

  • The District Line of the London Underground, originally known as the District Railway. 

  • Any of numerous governmental districts. 

Ellipse

name
  • A park in Washington, District of Columbia, United States 

  • An elliptical oval grassy field in President's Park South 

  • Synonym of President's Park South, a 52 acre city park, south of the South Lawn of the White House, between the White House estate and the Washington Monument grounds of the National Mall. 

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