agora vs town square

agora

noun
  • A place for gathering. 

  • Since 1960, a monetary unit and coin of Israel, the 100th part of a shekel / sheqel. 

  • A marketplace, especially in Classical Greece. 

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 agora and town square occurred in a corpus of books? (source: Google Ngram Viewer )