war whoop vs rallying cry

war whoop and rallying cry both are nouns.

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

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

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

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

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