The language of the ancient Egyptians, which is still used as a liturgical language by the Coptic Orthodox Church.
Coptic
An ancient language of India that is still used in religious and scholarly contexts.2. Greek - an ancient language that is still spoken in Greece and Cyprus, and is used as a liturgical language by the Greek Orthodox Church.
Sanskrit
Although no longer spoken as a mother tongue, Latin is still used in science, law, and religion.