Spanish
Spanish is the language originating from the nation of Spain, but is also spoken in Central America and half of South America. This language was long believed to be of purely Human origin. However, it has shown that the main language spoken on the Cusorean continent Aracino, Vajos, sounds almost exactly the same as Spanish, with only certain words and some grammar differing. No one knows the reason of this, as the similarities are far too great to be a coincidence. The most likely theory is that both species were given the language long ago by The Anari.