Caesar's agaric vs agaric

Caesar's agaric and agaric both are nouns.

Word	Noun	Adjective	Verb	Adverb
Caesar's agaric	Yes	No	No	No
agaric	Yes	No	No	No

As nouns, agaric is a hypernym of Caesar's agaric; that is, agaric is a word with a broader meaning than Caesar's agaric:

Caesar's agaric: widely distributed edible mushroom resembling the fly agaric
agaric: a saprophytic fungus of the order Agaricales having an umbrellalike cap with gills on the underside

Caesar's agaric (noun)	agaric (noun)
widely distributed edible mushroom resembling the fly agaric	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