green bean vs mash bean

green bean and mash bean both are nouns.

Word	Noun	Adjective	Verb	Adverb
green bean	Yes	No	No	No
mash bean	Yes	No	No	No

As nouns, green bean and mash bean are synonyms defined as:

Other synonyms of green bean include golden gram, green gram, green soy, monggo, moong, mung, mung bean, munggo.

As nouns, green bean and mash bean are synonyms defined as:

Other synonyms of green bean include golden gram, green gram, green soy, monggo, moong, mung, mung bean, munggo.

green bean (noun)	mash bean (noun)
immature bean pod eaten as a vegetable	seed of the mung bean plant used for food; food from the seed of the mung bean plant
seed of the mung bean plant used for food; food from the seed of the mung bean plant	seed of the mung bean plant; used for food; seed of the mung bean plant
a common bean plant cultivated for its slender green edible pods
seed of the mung bean plant; used for food; seed of the mung bean plant