Larynx and Voice box

Larynx noun - A cartilaginous structure at the top of the trachea; contains elastic vocal cords that are the source of the vocal tone in speech.

Voice box is a synonym for larynx in neck topic. In some cases you can use "Voice box" instead a noun "Larynx", when it comes to topics like vocal organs.

Voice box noun - A cartilaginous structure at the top of the trachea; contains elastic vocal cords that are the source of the vocal tone in speech.

Larynx is a synonym for voice box in neck topic. You can use "Larynx" instead a noun phrase "Voice box", if it concerns topics such as vocal organs.