carnage vs battue

carnage and battue both are nouns.

Word	Noun	Adjective	Verb	Adverb
carnage	Yes	No	No	No
battue	Yes	No	No	No

As nouns, battue is a hyponym of carnage; that is, battue is a word with a more specific, narrower meaning than carnage:

Other hyponyms of carnage include bloodbath, bloodletting, bloodshed.

carnage (noun)	battue (noun)
the savage and excessive killing of many people	a hunt in which beaters force the game to flee in the direction of the hunter
	indiscriminate slaughter