agora vs marketplace

agora

noun
  • A marketplace, especially in Classical Greece. 

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

  • A place for gathering. 

marketplace

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

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

  • The world of commerce and trade. 

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

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