EU-Fic/Society/Lingua Francae
Lingua Francae
Modern Galactic Standard, or Basic - the default language and everyday lingua franca.
Old Galactic Standard - an ancestor of modern Basic spoken in the earlier Republic, still of meaning in law and government (the Republic a common law regime) [roughly analogizable to Middle or Early Modern English].
Classical High Galactic - an ancient ruling class language and lingua franca of the Core and pre-Republic civilizations; the ancient canon of literature and law is in Classical High Galactic [roughly analogizable to Classical Latin].
Ecclesiastical High Galactic - a special Jedi and Force cultist descendent of Classical High Galactic, still employed as an official liturgical language, and the language of most Jedi literature [roughly analogizable to Church Latin].
Huttese - the native tongue of the Hutt species and a lingua franca of much of the Outer Rim.
Sith - the language of the Sith people and later, the liturgical language of the various Sith cults and sects.
Olys Corellysi - the old Corellian tongue, of importance in Corellian law and government and enjoy important if junior stature to Old Galactic and Classical High Galactic [analogizable to Koine Greek???].