quinine vs antimalarial

quinine and antimalarial both are nouns.

Word	Noun	Adjective	Verb	Adverb
quinine	Yes	No	No	No
antimalarial	Yes	No	No	No

As nouns, antimalarial is a hypernym of quinine; that is, antimalarial is a word with a broader meaning than quinine:

quinine: a bitter alkaloid extracted from chinchona bark; used in malaria therapy
antimalarial: a medicinal drug used to prevent or treat malaria

Other hypernyms of quinine include antimalarial drug.

quinine (noun)	antimalarial (noun)
a bitter alkaloid extracted from chinchona bark; used in malaria therapy	a medicinal drug used to prevent or treat malaria