war vs aggression

war and aggression both are nouns.

Word	Noun	Adjective	Verb	Adverb
war	Yes	No	Yes	No
aggression	Yes	No	No	No

war (noun)	aggression (noun)
the waging of armed conflict against an enemy	violent action that is hostile and usually unprovoked
a concerted campaign to end something that is injurious	deliberately unfriendly behavior
an active struggle between competing entities	the act of initiating hostilities
a legal state created by a declaration of war and ended by official declaration during which the international rules of war apply	a disposition to behave aggressively
	a feeling of hostility that arouses thoughts of attack

war (verb)	aggression (verb)
make or wage war