vanilla bean vs vanilla orchid

vanilla bean and vanilla orchid both are nouns.

Word	Noun	Adjective	Verb	Adverb
vanilla bean	Yes	No	No	No
vanilla orchid	Yes	No	No	No

vanilla bean (noun)	vanilla orchid (noun)
long bean-like fruit; seeds are used as flavoring	a climbing orchid bearing a podlike fruit yielding vanilla beans; widely cultivated from Florida southward throughout tropical America