inky cap vs agaric

inky cap and agaric both are nouns.

Word	Noun	Adjective	Verb	Adverb
inky cap	Yes	No	No	No
agaric	Yes	No	No	No

As nouns, agaric is a hypernym of inky cap; that is, agaric is a word with a broader meaning than inky cap:

inky cap: having a cap that melts into an inky fluid after spores have matured
agaric: a saprophytic fungus of the order Agaricales having an umbrellalike cap with gills on the underside

inky cap (noun)	agaric (noun)
having a cap that melts into an inky fluid after spores have matured	a saprophytic fungus of the order Agaricales having an umbrellalike cap with gills on the underside
	fungus used in the preparation of punk for fuses