foray vs incursion

foray and incursion both are nouns.

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

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

Other hypernyms of foray include penetration.

foray (noun)	incursion (noun)
a sudden short attack	an attack that penetrates into enemy territory
an initial attempt (especially outside your usual areas of competence)	the act of entering some territory or domain (often in large numbers)
	the mistake of incurring liability or blame

foray (verb)	incursion (verb)
briefly enter enemy territory
steal goods; take as spoils