Central vs Mega

Central

name
  • An area in Hong Kong. 

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

  • 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). 

Mega

name
  • A village in Moriad district, Tambrauw, West Papua, Indonesia, on New Guinea 

  • A town in Dire, Borena, Ormia, Ethiopia 

  • A surname. 

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