healing vs curative

healing and curative both are nouns.

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

As adjectives, healing and curative are synonyms defined as:

Other synonyms of healing include alterative, remedial, sanative, therapeutic.

healing (noun)	curative (noun)
the natural process by which the body repairs itself	a medicine or therapy that cures disease or relieve pain

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