Central vs Sterling

Central

name
  • 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). 

  • An area in Hong Kong. 

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

Sterling

name
  • A Scottish surname, variant of Stirling. 

  • An English surname, thought to be a variant of Starling. 

  • A unisex given name transferred from the surname. 

  • A city in Rice County, Kansas, United States. 

  • A census-designated place in Loudoun County, Virginia, United States. 

  • A city, the county seat of Logan County, Colorado, United States. 

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