She gave a vivâ voce presentation at the conference.

She presented her research vivâ voce.

She presented her research findings vivâ voce.

She is a talented vocaliser.

The vocabulists gathered to discuss new words.

She is a talented vocabulist.

She sang mezza voce, creating a beautiful and delicate melody.

The vocal fold is responsible for producing sound during speech.

You can find the definition of the term sub voce in the glossary.

She was diagnosed with vocal cord nodules.