griseofulvin vs antifungal

griseofulvin and antifungal both are nouns.

Word	Noun	Adjective	Verb	Adverb
griseofulvin	Yes	No	No	No
antifungal	Yes	Yes	No	No

As nouns, antifungal is a hypernym of griseofulvin; that is, antifungal is a word with a broader meaning than griseofulvin:

griseofulvin: a kind of penicillin (a fungicidal antibiotic with the trade name Fulvicin) produced by molds of the genus Penicillium
antifungal: any agent that destroys or prevents the growth of fungi

Other hypernyms of griseofulvin include antifungal agent, antimycotic, antimycotic agent, fungicide, penicillin.

griseofulvin (noun)	antifungal (noun)
a kind of penicillin (a fungicidal antibiotic with the trade name Fulvicin) produced by molds of the genus Penicillium	any agent that destroys or prevents the growth of fungi

griseofulvin (adjective)	antifungal (adjective)
	capable of destroying fungi