Christ's-thorn vs jujube

Christ's-thorn and jujube both are nouns.

Word	Noun	Adjective	Verb	Adverb
Christ's-thorn	Yes	No	No	No
jujube	Yes	No	No	No

As nouns, Christ's-thorn and jujube are synonyms defined as:

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

Christ's-thorn (noun)	jujube (noun)
spiny tree having dark red edible fruits	chewy fruit-flavored jellied candy (sometimes medicated to soothe a sore throat)
thorny Eurasian shrub with dry woody winged fruit	dark red plumlike fruit of Old World buckthorn trees
	spiny tree having dark red edible fruits