Central vs Dull

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. 

Dull

name
  • A village in Perth and Kinross council area, Scotland. 

  • A surname. of Scottish and German origin. 

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