Green gram and Moong

Green gram noun - Erect bushy annual widely cultivated in warm regions of India and Indonesia and United States for forage and especially its edible seeds; chief source of bean sprouts used in Chinese cookery; sometimes placed in genus Phaseolus.

Moong is a synonym for green gram. In some cases you can use "Moong" instead a noun phrase "Green gram".

Green gram is a synonym for moong. You can use "Green gram" instead a noun "Moong".