barley: a tall plant like grass with long, straight hairs growing from the head of each stem, or the grain from this plant, used for food and for making beer and whisky
noun: My mom use barley to cook.
chickpea: a hard, pale brown, round bean that can be cooked and eaten
noun: Chickpeas are used to make hummus and falafel.
coal: a hard, black substance that is dug from the earth in lumps and used as a fuel, or a single piece of this substance
noun: Some of those schools still use coal for their heating.