town hall vs townhouse

town hall

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

  • The town council 

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

townhouse

noun
  • A house in an urban setting. 

  • A row house or terraced house. 

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