COMMODITY is 1) a raw material or primary agricultural product that can be bought and sold, such as copper or coffee: e.g. Water is a precious commodity. The government increased prices on several basic commodities like bread and meat. 2) a useful or valuable thing: e.g. Time is valuable commodity to us all. Labour is bought and sold like any other commodity. MERCHANDISE (use it with a singular verb) 1) the commodities or goods that are bought and sold in business; commercial wares. General Merchandise is widely considered to be nonfood items. This may include cleaners, personal hygiene products, paper goods, seasonal items such as cards and decor, and auto/electrical items. NB: MERCHANDISE used as a noun is very rare. e.g. You would sell the merchandise at a cost you would determine. In addition, there is a shop to buy merchandise. Puzzle bus - offers a daily puzzle, books, software, and related merchandise.