antipyretic vs medicinal drug

antipyretic and medicinal drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
antipyretic	Yes	Yes	No	No
medicinal drug	Yes	No	No	No

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

antipyretic: any medicine that lowers body temperature to prevent or alleviate fever
medicinal drug: (medicine) something that treats or prevents or alleviates the symptoms of disease

Other hypernyms of antipyretic include medicament, medication, medicine.

antipyretic (noun)	medicinal drug (noun)
any medicine that lowers body temperature to prevent or alleviate fever	(medicine) something that treats or prevents or alleviates the symptoms of disease

antipyretic (adjective)	medicinal drug (adjective)
preventing or alleviating fever