Chinese jujube vs jujube

Chinese jujube and jujube both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chinese jujube	Yes	No	No	No
jujube	Yes	No	No	No

As nouns, Chinese jujube and jujube are synonyms defined as:

Chinese jujube and jujube: dark red plumlike fruit of Old World buckthorn trees

Other synonyms of Chinese jujube include Chinese date.

Chinese jujube (noun)	jujube (noun)
dark red plumlike fruit of Old World buckthorn trees	chewy fruit-flavored jellied candy (sometimes medicated to soothe a sore throat)
	dark red plumlike fruit of Old World buckthorn trees
	spiny tree having dark red edible fruits