Human Nations
- Alvarian - The language spoken in the Monarchy of Alvarium, it has also become something of a common trade tongue amongst many factions.
- Hisuese - The language spoken in the Dynasty of the Jade Lotus.
- Brytic - The language spoken in the Kingdom of Maddox.
- Old Brytic - Now mostly a dead language, this was once spoken widely by humans across Terra Oikos.
- Namorian - Now mostly a dead language, this was once spoken across the Namorian Empire - it still sees use in academic and religious practices.
Non-Humans
- Elvish - A derivative of Sylvan, the language spoken in the Elven Assemblies.
- High Elvish - An uncommon variant of Elvish, spoken only by the nobility of the Elven Assemblies.
- Gnomish - A derivative of Sylvan, the language spoken by Gnomes.
- Halfling - The language spoken by Halflings (though halflings do not have their own nation and tend to favour the 'local' language).
- Dwarven - A derivative of Horatal, the language spoken in the Dwarven Thaneships.
- Jotunic - A derivative of Horatal, the language spoken by Giants.
- Greenskin - The language spoken by the Greenskin Tribes and the Goblin Nation (as well as other independent orcs, goblins, trolls, etc.).
- Draconic - A derivative of True Draconic, the language spoken by the Kobold Clans and the Theocracy of Franz.
- Selachii - The language spoken by the Selachii.
- Unknown(?) - The language spoken by Tenoch of Tletlacah.
Other
- Sylvan - The true language of the fey folk.
- Horatal - The precursor to the dwarven Dwarven and Jotunic languages - still sees some limited use by Dwarven Rune Priests.
- Stygian - The native language of devils, demons and other infernal beings.
- True Draconic - The true language of dragons, unpronounceable to most other races.