provocation vs aggression

provocation and aggression both are nouns.

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

As nouns, aggression is a hypernym of provocation; that is, aggression is a word with a broader meaning than provocation:

provocation (noun)	aggression (noun)
unfriendly behavior that causes anger or resentment	violent action that is hostile and usually unprovoked
needed encouragement	deliberately unfriendly behavior
something that incites or provokes; a means of arousing or stirring to action	the act of initiating hostilities
	a disposition to behave aggressively
	a feeling of hostility that arouses thoughts of attack