rescue vs salve

rescue and salve both are nouns.

Word	Noun	Adjective	Verb	Adverb
rescue	Yes	No	Yes	No
salve	Yes	No	Yes	No

As verbs, salve is a hyponym of rescue; that is, salve is a word with a more specific, narrower meaning than rescue:

Other hyponyms of rescue include relieve, salvage, save, reprieve.

rescue (noun)	salve (noun)
recovery or preservation from loss or danger	anything that remedies or heals or soothes
	semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation

rescue (verb)	salve (verb)
take forcibly from legal custody	apply a salve to, usually for the purpose of healing
free from harm or evil	save from ruin, destruction, or harm