Central vs Circle

Central

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

  • An area in Hong Kong. 

  • A former local government region in central Scotland, created in 1975 mainly from Stirlingshire, abolished in 1996 and divided into 3 council areas: Clackmannanshire, Falkirk and Stirling (which were districts within the region). 

Circle

name
  • the Circle line of the London Underground, originally the Inner Circle. 

  • A town, the county seat of McCone County, Montana, United States. Named after a cattle brand in the form of a circle. 

  • A census-designated place in Yukon-Koyukuk Census Area, Alaska, United States. Erroneously thought to be on the Arctic Circle, which is 50 miles further north. 

  • A surname from German. 

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