kidney bean vs common bean

kidney bean and common bean both are nouns.

Word	Noun	Adjective	Verb	Adverb
kidney bean	Yes	No	No	No
common bean	Yes	No	No	No

As nouns, common bean is a hypernym of kidney bean; that is, common bean is a word with a broader meaning than kidney bean:

As nouns, common bean is a hypernym of kidney bean; that is, common bean is a word with a broader meaning than kidney bean:

kidney bean: the common bean plant grown for the beans rather than the pods (especially a variety with large red kidney-shaped beans)
common bean: the common annual twining or bushy bean plant grown for its edible seeds or pods

Other hypernyms of kidney bean include common bean plant, Phaseolus vulgaris.

kidney bean (noun)	common bean (noun)
large dark red bean; usually dried	any of numerous beans eaten either fresh or dried
the common bean plant grown for the beans rather than the pods (especially a variety with large red kidney-shaped beans)	the common annual twining or bushy bean plant grown for its edible seeds or pods