District vs Trail

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. 

Trail

name
  • A city in British Columbia, Canada. 

  • A city in Polk County, Minnesota, United States. 

  • A census-designated place in Jackson County, Oregon, United States. 

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