marketplace vs town square

marketplace

noun
  • An open area in a town housing a public market. 

  • A place or sphere for the exchange of anything, such as ideas or fashions. 

  • The world of commerce and trade. 

  • The space, actual or metaphorical, in which a market operates. 

town square

noun
  • An open area commonly found in the heart of a traditional town, used for community gatherings. 

  • An online space or platform which serves a similar function. 

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