big box vs mart

big box

noun
  • A large self-service store, usually on a single level, with few interior walls, owned and run by a corporation 

mart

noun
  • A shop, store. 

  • Marque (chiefly used in the phrase letters of mart). 

  • A bazaar, fair, marketplace. 

  • Salt beef. 

  • A head of feeder cattle or fattened cattle (usually the latter). 

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