save vs rescue

save and rescue both are nouns.

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

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

Other hyponyms of save include deliver.

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

Other hypernyms of save include deliver.

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

save (verb)	rescue (verb)
make unnecessary an expenditure or effort	take forcibly from legal custody
record data on a computer	free from harm or evil
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