rallying cry vs war whoop

rallying cry and war whoop both are nouns.

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

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

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

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

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