rescue vs save

rescue and save both are nouns.

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

As verbs, save is a hypernym of rescue; that is, save is a word with a broader meaning than rescue:

Other hypernyms of rescue include bring through, carry through, pull through.

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

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

rescue (noun)	save (noun)
recovery or preservation from loss or danger	(sports) the act of preventing the opposition from scoring

rescue (verb)	save (verb)
take forcibly from legal custody	make unnecessary an expenditure or effort
free from harm or evil	record data on a computer
	to keep up and reserve for personal or special use
	accumulate money for future use
	spend less; buy at a reduced price
	retain rights to
	spend sparingly, avoid the waste of
	bring into safety
	save from ruin, destruction, or harm
	save from sins
	refrain from harming