drupe vs elderberry

drupe and elderberry both are nouns.

Word	Noun	Adjective	Verb	Adverb
drupe	Yes	No	No	No
elderberry	Yes	No	No	No

As nouns, elderberry is a hyponym of drupe; that is, elderberry 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
elderberry: berrylike fruit of an elder used for e.g. wines and jellies

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

drupe (noun)	elderberry (noun)
fleshy indehiscent fruit with a single seed: e.g. almond, peach, plum, cherry, elderberry, olive, jujube	berrylike fruit of an elder used for e.g. wines and jellies
	a common shrub with black fruit or a small tree of Europe and Asia; fruit used for wines and jellies