antipyretic vs medicament

antipyretic and medicament both are nouns.

Word	Noun	Adjective	Verb	Adverb
antipyretic	Yes	Yes	No	No
medicament	Yes	No	No	No

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

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

Other hypernyms of antipyretic include medication, medicinal drug, medicine.

antipyretic (noun)	medicament (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)	medicament (adjective)
preventing or alleviating fever