The plural of larynx is larynges or larynxes.
The larynx is a part of the human body located in the throat, also known as the voice box. It plays a vital role in speech production and respiration. The larynx contains the vocal cords, which vibrate and produce sound when air passes through them.
Singular:
Plural:
Sources:
https://www.merriam-webster.com/dictionary/larynx
https://www.macmillandictionary.com/dictionary/british/larynx