roar vs cry

roar and cry both are nouns.

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

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

Other hypernyms of roar include call, outcry, shout, vociferation, yell.

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

As verbs, cry is a hypernym of roar; that is, cry is a word with a broader meaning than roar:

Other hypernyms of roar include call, holler, hollo, scream, shout, shout out, squall, yell.

roar (noun)	cry (noun)
a very loud utterance (like the sound of an animal)	a loud utterance; often in protest or opposition
a deep prolonged loud noise	a fit of weeping
the sound made by a lion	a slogan used to rally support for a cause
	a loud utterance of emotion (especially when inarticulate)
	the characteristic utterance of an animal

roar (verb)	cry (verb)
laugh unrestrainedly and heartily	shed tears because of sadness, rage, or pain
make a loud noise, as of wind, water, or vehicles	bring into a particular state by crying
emit long loud cries	utter a sudden loud cry
utter words loudly and forcefully	proclaim or announce in public
make a loud noise, as of animal	utter a characteristic sound
act or proceed in a riotous, turbulent, or disorderly way	utter aloud; often with surprise, horror, or joy
	demand immediate action