war whoop vs battle cry

war whoop and battle cry both are nouns.

Word	Noun	Adjective	Verb	Adverb
war whoop	Yes	No	No	No
battle cry	Yes	No	No	No

As nouns, war whoop and battle cry are synonyms defined as:

war whoop and battle cry: a yell intended to rally a group of soldiers in battle

Other synonyms of war whoop include rallying cry, war cry.

war whoop (noun)	battle cry (noun)
a yell intended to rally a group of soldiers in battle	a yell intended to rally a group of soldiers in battle
	a slogan used to rally support for a cause