Ziziphus jujuba vs jujube bush

Ziziphus jujuba and jujube bush both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ziziphus jujuba	Yes	No	No	No
jujube bush	Yes	No	No	No

As nouns, Ziziphus jujuba and jujube bush are synonyms defined as:

Ziziphus jujuba and jujube bush: spiny tree having dark red edible fruits

Other synonyms of Ziziphus jujuba include Christ's-thorn, Jerusalem thorn, jujube.

Ziziphus jujuba (noun)	jujube bush (noun)
spiny tree having dark red edible fruits	spiny tree having dark red edible fruits