balm vs curative

balm and curative both are nouns.

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

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

balm: semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation
curative: a medicine or therapy that cures disease or relieve pain

Other hypernyms of balm include cure, remedy, therapeutic.

balm (noun)	curative (noun)
semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation	a medicine or therapy that cures disease or relieve pain
any of various aromatic resinous substances used for healing and soothing

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