revival vs rebirth

revival and rebirth both are nouns.

Word	Noun	Adjective	Verb	Adverb
revival	Yes	No	No	No
rebirth	Yes	No	No	No

As nouns, rebirth is a hyponym of revival; that is, rebirth is a word with a more specific, narrower meaning than revival:

Other hyponyms of revival include Renaissance, Renascence, regeneration, resurrection, resuscitation.

revival (noun)	rebirth (noun)
bringing again into activity and prominence	a spiritual enlightenment causing a person to lead a new life
an evangelistic meeting intended to reawaken interest in religion	the revival of learning and culture
	a second or new birth
	after death the soul begins a new cycle of existence in another human body