kei apple bush vs kei apple

kei apple bush and kei apple both are nouns.

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

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

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

Other synonyms of kei apple bush include Dovyalis caffra.

kei apple bush (noun)	kei apple (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