curative vs medicament

curative and medicament both are nouns.

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

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

curative: a medicine or therapy that cures disease or relieve pain
medicament: (medicine) something that treats or prevents or alleviates the symptoms of disease

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

curative (noun)	medicament (noun)
a medicine or therapy that cures disease or relieve pain	(medicine) something that treats or prevents or alleviates the symptoms of disease

curative (adjective)	medicament (adjective)
tending to cure or restore to health