kei apple bush vs Dovyalis caffra

kei apple bush and Dovyalis caffra both are nouns.

Word	Noun	Adjective	Verb	Adverb
kei apple bush	Yes	No	No	No
Dovyalis caffra	Yes	No	No	No

As nouns, kei apple bush and Dovyalis caffra are synonyms defined as:

kei apple bush and Dovyalis caffra: vigorous South African spiny shrub grown for its round yellow juicy edible fruits

Other synonyms of kei apple bush include kei apple.

kei apple bush (noun)	Dovyalis caffra (noun)
vigorous South African spiny shrub grown for its round yellow juicy edible fruits	vigorous South African spiny shrub grown for its round yellow juicy edible fruits