acinus vs drupelet

acinus and drupelet both are nouns.

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

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

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

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