griseofulvin vs antimycotic

griseofulvin and antimycotic both are nouns.

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

As nouns, antimycotic is a hypernym of griseofulvin; that is, antimycotic 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
antimycotic: any agent that destroys or prevents the growth of fungi

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

griseofulvin (noun)	antimycotic (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