jujube vs Chinese date

jujube and Chinese date both are nouns.

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

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

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

Other synonyms of jujube include Chinese jujube.

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