interferon vs antiviral drug

interferon and antiviral drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
interferon	Yes	No	No	No
antiviral drug	Yes	No	No	No

As nouns, antiviral drug is a hypernym of interferon; that is, antiviral drug is a word with a broader meaning than interferon:

interferon: an antiviral protein produced by cells that have been invaded by a virus; inhibits replication of the virus
antiviral drug: any drug that destroys viruses

Other hypernyms of interferon include antiviral, antiviral agent.

interferon (noun)	antiviral drug (noun)
an antiviral protein produced by cells that have been invaded by a virus; inhibits replication of the virus	any drug that destroys viruses