egress vs go forth

egress is a noun but go forth is not a noun.

Word	Noun	Adjective	Verb	Adverb
egress	Yes	No	Yes	No
go forth	No	No	Yes	No

As verbs, egress and go forth are synonyms defined as:

Other synonyms of egress include come forth, come out, emerge, issue.

egress (noun)	go forth (noun)
the act of coming (or going) out; becoming apparent
(astronomy) the reappearance of a celestial body after an eclipse
the becoming visible

egress (verb)	go forth (verb)
come out of	come out of
	go away from a place