terbinafine vs antifungal agent

terbinafine and antifungal agent both are nouns.

Word	Noun	Adjective	Verb	Adverb
terbinafine	Yes	No	No	No
antifungal agent	Yes	No	No	No

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

terbinafine: an oral antifungal drug (trade name Lamisil) used to treat cases of fungal nail disease
antifungal agent: any agent that destroys or prevents the growth of fungi

Other hypernyms of terbinafine include antifungal, antimycotic, antimycotic agent, fungicide.

terbinafine (noun)	antifungal agent (noun)
an oral antifungal drug (trade name Lamisil) used to treat cases of fungal nail disease	any agent that destroys or prevents the growth of fungi