Vocalization

The act or process of producing sounds with the voice. Also a sound thus produced;
the act of expressing feelings and ideas in words;
to make vocal sounds; speak or sing; specif., to do a singing exercise, using various vowel sounds.

Sources:

Merriam-Webster. (n.d.). Vocalization. In Merriam-Webster.com medical dictionary. Retrieved January 30, 2024, from https://www.merriam-webster.com/medical/vocalization

Cambridge Dictionary: https://dictionary.cambridge.org/dictionary/english/vocalization

Collins Dictionary: https://www.collinsdictionary.com/dictionary/english/vocalize