Cereal grass and Rye

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

Rye and cereal grass are semantically related. In some cases you can replace term "Rye" with "Cereal grass", this terms are similar.

Rye noun - Hardy annual cereal grass widely cultivated in northern Europe where its grain is the chief ingredient of black bread and in North America for forage and soil improvement.

Cereal grass and rye are semantically related. Sometimes you can use "Cereal grass" instead a noun "Rye".