jujube vs stone fruit

jujube and stone fruit both are nouns.

Word	Noun	Adjective	Verb	Adverb
jujube	Yes	No	No	No
stone fruit	Yes	No	No	No

As nouns, stone fruit is a hypernym of jujube; that is, stone fruit is a word with a broader meaning than jujube:

jujube: dark red plumlike fruit of Old World buckthorn trees
stone fruit: fleshy indehiscent fruit with a single seed: e.g. almond, peach, plum, cherry, elderberry, olive, jujube

Other hypernyms of jujube include edible fruit, drupe.

jujube (noun)	stone fruit (noun)
chewy fruit-flavored jellied candy (sometimes medicated to soothe a sore throat)	fleshy indehiscent fruit with a single seed: e.g. almond, peach, plum, cherry, elderberry, olive, jujube
dark red plumlike fruit of Old World buckthorn trees
spiny tree having dark red edible fruits