rescue vs recovery

rescue and recovery both are nouns.

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

As nouns, recovery is a hypernym of rescue; that is, recovery is a word with a broader meaning than rescue:

rescue: recovery or preservation from loss or danger
recovery: the act of regaining or saving something lost (or in danger of becoming lost)

Other hypernyms of rescue include retrieval.

rescue (noun)	recovery (noun)
recovery or preservation from loss or danger	the act of regaining or saving something lost (or in danger of becoming lost)
	return to an original state
	gradual healing (through rest) after sickness or injury

rescue (verb)	recovery (verb)
take forcibly from legal custody
free from harm or evil