drupelet vs stone fruit

drupelet and stone fruit both are nouns.

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

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

drupelet: a small part of an aggregate fruit that resembles a drupe
stone fruit: fleshy indehiscent fruit with a single seed: e.g. almond, peach, plum, cherry, elderberry, olive, jujube

Other hypernyms of drupelet include drupe.

drupelet (noun)	stone fruit (noun)
a small part of an aggregate fruit that resembles a drupe	fleshy indehiscent fruit with a single seed: e.g. almond, peach, plum, cherry, elderberry, olive, jujube