bean vs edible bean

bean and edible bean both are nouns.

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

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

bean and edible bean: any of various edible seeds of plants of the family Leguminosae used for food

bean (noun)	edible bean (noun)
informal terms for a human head	any of various edible seeds of plants of the family Leguminosae used for food
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)	edible bean (verb)
hit on the head, especially with a pitched baseball