egress vs emanation

egress and emanation both are nouns.

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

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

Other hyponyms of egress include surfacing, emission.

egress (noun)	emanation (noun)
the act of coming (or going) out; becoming apparent	the act of emitting; causing to flow forth
(astronomy) the reappearance of a celestial body after an eclipse	(theology) the origination of the Holy Spirit at Pentecost
the becoming visible	something that is emitted or radiated (as a gas or an odor or a light, etc.)

egress (verb)	emanation (verb)
come out of