The correct answer is : motet.
The name describes the movement of different voices against one another. It is a mainly vocal musical composition on a sacred text, usually without instrumental accompaniment.
It is generally believed that the word motet came from the Latin movere ( 'to move',) but there is also a suggestion that it stems from the French word mot ( 'word').
The motet began in early 13th century as an application of a new text to older music. Different texts, sometimes in different languages, were sung simultaneously over a ( usually ) Latin text.