incursion vs entering

incursion and entering both are nouns.

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

As nouns, entering is a hypernym of incursion; that is, entering is a word with a broader meaning than incursion:

incursion: the act of entering some territory or domain (often in large numbers)
entering: the act of entering

Other hypernyms of incursion include entrance, entry, incoming, ingress.

incursion (noun)	entering (noun)
an attack that penetrates into enemy territory	the act of entering
the act of entering some territory or domain (often in large numbers)	a movement into or inward
the mistake of incurring liability or blame