burg vs town hall

burg

noun
  • A city or town. 

  • A fortified town in medieval Europe. 

  • burger 

town hall

noun
  • The town council 

  • A building that houses the local government offices of a town. 

  • A widely accessible meeting, particularly where the audience is allowed to interact with the speakers. 

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