feedstock vs merchandise

feedstock

noun
  • Any bulk raw material constituting the principal input for an industrial process. 

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 feedstock and merchandise occurred in a corpus of books? (source: Google Ngram Viewer )