The 2 meanings for the word "uchumi" given on that page are "economy" and "economics". So why will it not accept "economics" as a correct answer???
I would just report it
Uchumi: isn't it the name of a supermarket in Kenya ?
Yes, Uchumi was the first supermarket chain in Kenya and is a well-known brand name. Recently, they have been in big trouble due to increased competition.