vocalization vs vocalism

vocalization and vocalism both are nouns.

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

As nouns, vocalization and vocalism are synonyms defined as:

vocalization and vocalism: the sound made by the vibration of vocal folds modified by the resonance of the vocal tract

Other synonyms of vocalization include phonation, vocalisation, voice, vox.

vocalization (noun)	vocalism (noun)
the sound made by the vibration of vocal folds modified by the resonance of the vocal tract	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	the system of vowels used in a particular language