suspiration vs vocalization

suspiration and vocalization both are nouns.

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

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

Other hypernyms of suspiration include utterance.

suspiration (noun)	vocalization (noun)
an utterance made by exhaling audibly	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