cry vs rallying cry

cry and rallying cry both are nouns.

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

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

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

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

cry (noun)	rallying cry (noun)
a loud utterance; often in protest or opposition	a slogan used to rally support for a cause
a fit of weeping	a yell intended to rally a group of soldiers in battle
a slogan used to rally support for a cause
a loud utterance of emotion (especially when inarticulate)
the characteristic utterance of an animal

cry (verb)	rallying cry (verb)
shed tears because of sadness, rage, or pain
bring into a particular state by crying
utter a sudden loud cry
proclaim or announce in public
utter a characteristic sound
utter aloud; often with surprise, horror, or joy
demand immediate action