drupe vs Chinese jujube

drupe and Chinese jujube both are nouns.

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

As nouns, Chinese jujube is a hyponym of drupe; that is, Chinese jujube is a word with a more specific, narrower meaning than drupe:

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

Other hyponyms of drupe include almond, peach, plum, cherry, elderberry, Chinese date, jujube, olive, drupelet.

drupe (noun)	Chinese jujube (noun)
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