ingress vs entering

ingress and entering both are nouns.

Word	Noun	Adjective	Verb	Adverb
ingress	Yes	No	No	No
entering	Yes	No	No	No

As nouns, ingress and entering are synonyms defined as:

Other synonyms of ingress include entrance, entry, incoming.

ingress (noun)	entering (noun)
the act of entering	the act of entering
(astronomy) the disappearance of a celestial body prior to an eclipse	a movement into or inward