Volvariella bombycina vs agaric

Volvariella bombycina and agaric both are nouns.

Word	Noun	Adjective	Verb	Adverb
Volvariella bombycina	Yes	No	No	No
agaric	Yes	No	No	No

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

Volvariella bombycina: a mushroom with a dry yellowish to white fibrillose cap
agaric: a saprophytic fungus of the order Agaricales having an umbrellalike cap with gills on the underside

Volvariella bombycina (noun)	agaric (noun)
a mushroom with a dry yellowish to white fibrillose cap	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