Chinese date vs stone fruit

Chinese date and stone fruit both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chinese date	Yes	No	No	No
stone fruit	Yes	No	No	No

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

Chinese date: 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 Chinese date include edible fruit, drupe.

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