buy vs merchandise

buy

noun
  • Something which is bought; a purchase. 

verb
  • To make a purchase or purchases, to treat (for a drink, meal or gift) 

  • To make a bluff, usually a large one. 

  • To bribe. 

  • To be equivalent to in value. 

  • To obtain (something) in exchange for money or goods. 

  • To obtain, especially by some sacrifice. 

  • to accept as true; to believe 

merchandise

noun
  • Goods which are or were offered or intended for sale. 

  • Commercial goods connected (branded) with an entity such as a team, band, company, charity, work of fiction, festival, or meme. (Commonly shortened to merch.) 

verb
  • To engage in in-store promotion of the sale of. 

  • To promote as if for sale. 

  • To engage in in-store promotion of the sale of goods, as by display and arrangement of goods. 

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