marketplace vs strip mall

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. 

strip mall

noun
  • A shopping center consisting of a row of stores with separate entrances from the outdoors, typically along a road and/or with a parking lot in front. 

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