cry vs ebullition

cry and ebullition both are nouns.

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

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

Other hypernyms of cry include blowup, effusion, gush, outburst.

cry (noun)	ebullition (noun)
a loud utterance; often in protest or opposition	an unrestrained expression of emotion
a fit of weeping
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)	ebullition (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