exclaiming vs vocalization

exclaiming and vocalization both are nouns.

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

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

Other hypernyms of exclaiming include utterance.

exclaiming (noun)	vocalization (noun)
an abrupt excited utterance	the sound made by the vibration of vocal folds modified by the resonance of the vocal tract
	the use of uttered sounds for auditory communication