calabar-bean vine vs ordeal bean

calabar-bean vine and ordeal bean both are nouns.

Word	Noun	Adjective	Verb	Adverb
calabar-bean vine	Yes	No	No	No
ordeal bean	Yes	No	No	No

calabar-bean vine (noun)	ordeal bean (noun)
tropical African woody vine yielding calabar beans	dark brown highly poisonous seed of the calabar-bean vine; source of physostigmine and used in native witchcraft