rebirth vs phenomenon

rebirth and phenomenon both are nouns.

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

As nouns, phenomenon is a hypernym of rebirth; that is, phenomenon is a word with a broader meaning than rebirth:

rebirth: after death the soul begins a new cycle of existence in another human body
phenomenon: any state or process known through the senses rather than by intuition or reasoning

rebirth (noun)	phenomenon (noun)
a spiritual enlightenment causing a person to lead a new life	any state or process known through the senses rather than by intuition or reasoning
the revival of learning and culture	a remarkable development
a second or new birth
after death the soul begins a new cycle of existence in another human body