Cereal and Durum

Cereal noun - Grass whose starchy grains are used as food: wheat; rice; rye; oats; maize; buckwheat; millet.

Durum and cereal are semantically related In some cases you can use "Durum" instead a noun "Cereal".

Durum noun - Wheat with hard dark-colored kernels high in gluten and used for bread and pasta; grown especially in southern Russia, North Africa, and northern central North America.

Cereal and durum are semantically related in grain topic. You can use "Cereal" instead a noun "Durum".