war cry vs vociferation

war cry and vociferation both are nouns.

Word	Noun	Adjective	Verb	Adverb
war cry	Yes	No	No	No
vociferation	Yes	No	No	No

As nouns, vociferation is a hypernym of war cry; that is, vociferation is a word with a broader meaning than war cry:

Other hypernyms of war cry include call, cry, outcry, shout, yell.

war cry (noun)	vociferation (noun)
a yell intended to rally a group of soldiers in battle	a loud utterance; often in protest or opposition
a slogan used to rally support for a cause