reappearance vs egress

reappearance and egress both are nouns.

Word	Noun	Adjective	Verb	Adverb
reappearance	Yes	No	No	No
egress	Yes	No	Yes	No

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

Other hyponyms of reappearance include emersion.

reappearance (noun)	egress (noun)
the act of someone appearing again	the act of coming (or going) out; becoming apparent
the event of something appearing again	(astronomy) the reappearance of a celestial body after an eclipse
	the becoming visible

reappearance (verb)	egress (verb)
	come out of