drupelet vs acinus

drupelet and acinus both are nouns.

Word	Noun	Adjective	Verb	Adverb
drupelet	Yes	No	No	No
acinus	Yes	No	No	No

As nouns, acinus is a hyponym of drupelet; that is, acinus is a word with a more specific, narrower meaning than drupelet:

drupelet: a small part of an aggregate fruit that resembles a drupe
acinus: one of the small drupes making up an aggregate or multiple fruit like a blackberry

Other hyponyms of drupelet include blackberry, raspberry.

drupelet (noun)	acinus (noun)
a small part of an aggregate fruit that resembles a drupe	one of the small sacs or saclike dilations in a compound gland
	one of the small drupes making up an aggregate or multiple fruit like a blackberry