bean vs bean plant

bean and bean plant both are nouns.

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

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

bean and bean plant: any of various leguminous plants grown for their edible seeds and pods

bean (noun)	bean plant (noun)
informal terms for a human head	any of various leguminous plants grown for their edible seeds and pods
any of various edible seeds of plants of the family Leguminosae used for food
any of various leguminous plants grown for their edible seeds and pods
any of various seeds or fruits that are beans or resemble beans

bean (verb)	bean plant (verb)
hit on the head, especially with a pitched baseball