mash bean vs mung bean plant

mash bean and mung bean plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
mash bean	Yes	No	No	No
mung bean plant	Yes	No	No	No

mash bean (noun)	mung bean plant (noun)
seed of the mung bean plant used for food; food from the seed of the mung bean plant	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
seed of the mung bean plant; used for food; seed of the mung bean plant