Barley and Cereal grass

Barley noun - A plant cultivated since prehistoric times, grown for forage and grain.

Cereal grass and barley are semantically related. In some cases you can use "Cereal grass" instead a noun "Barley".

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

Barley and cereal grass are semantically related. Sometimes you can replace term "Barley" with "Cereal grass", this terms are similar.