vocalism vs phonation

vocalism and phonation both are nouns.

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

As nouns, vocalism and phonation are synonyms defined as:

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

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

vocalism (noun)	phonation (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 system of vowels used in a particular language