Viva-voce is a Latin term that means "by or with live voice," commonly referring to an oral examination or a presentation. There are several synonyms for the term viva-voce, including oral examination, oral test, verbal examination, or voice examination. Other related synonyms include public talk, lecture, discourse, or dissertation. These terms are frequently used in academic settings, especially in the context of defending a thesis or conducting an interview. Whatever term you use, the idea is to emphasize the significance of speaking aloud and communicating effectively, especially when presenting ideas or expressing opinions to a public audience.