palace vs town hall

palace

noun
  • A large, ornate public building used for entertainment or exhibitions. 

  • A large and lavishly ornate residence. 

  • Official residence of a head of state or other dignitary, especially in a monarchical or imperial governmental system. 

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. 

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