exultation vs vocalization

exultation and vocalization both are nouns.

Word	Noun	Adjective	Verb	Adverb
exultation	Yes	No	No	No
vocalization	Yes	No	No	No

As nouns, vocalization is a hypernym of exultation; that is, vocalization is a word with a broader meaning than exultation:

Other hypernyms of exultation include utterance.

exultation (noun)	vocalization (noun)
the utterance of sounds expressing great joy	the sound made by the vibration of vocal folds modified by the resonance of the vocal tract
a feeling of extreme joy	the use of uttered sounds for auditory communication