ordeal tree vs bushman's poison

ordeal tree and bushman's poison both are nouns.

Word	Noun	Adjective	Verb	Adverb
ordeal tree	Yes	No	No	No
bushman's poison	Yes	No	No	No

As nouns, ordeal tree and bushman's poison are synonyms defined as:

ordeal tree and bushman's poison: evergreen shrub or tree of South Africa

Other synonyms of ordeal tree include Acocanthera oppositifolia, Acocanthera venenata.

ordeal tree (noun)	bushman's poison (noun)
evergreen shrub or tree of South Africa	evergreen shrub or tree of South Africa