common bean vs common bean plant

common bean and common bean plant both are nouns.

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

As nouns, common bean and common bean plant are synonyms defined as:

common bean and common bean plant: the common annual twining or bushy bean plant grown for its edible seeds or pods

Other synonyms of common bean include Phaseolus vulgaris.

common bean (noun)	common bean plant (noun)
any of numerous beans eaten either fresh or dried	the common annual twining or bushy bean plant grown for its edible seeds or pods
the common annual twining or bushy bean plant grown for its edible seeds or pods