This is a list of known languages spoken in the Orth setting. Included in round brackets are the specific dialects of each, which will still be understood by anyone who speaks the parent language but depends more on the origins of the character or who taught them the language. In curly brackets are the originating race and real-world equivalent language.
- Common (Morian, Tiran, Na'Ka'Vean, Pale, Ja'Pa'Ri, Fuk'Mari, Home Islands, Betin, Yeti) {Troll, modern English}
- Thieves' Cant {various lower-class groups in the Empire, Victorian street slang}
- Old Trollish {Troll, Old English}
- Draconic {Dragon, Babylonian and Old Persian}
- Yipyak {Kobold, weird pidgin Old Persian}
- Sylvan {Fae, traditional Irish Gaelic}
- Feline (Imperial, Tiran, Na'Ka'Vean, Betin, Poolish, Pale, Home Islands, Heartland) {Catfolk, mix of Kurdish and Farsi}
- Forked Tongue (Poolish, Betin) {Lizardfolk, Aruba}
- Manzili {Nagi, Egyptian Arabic}
- Yeti (Northern, Southern) {Yeti, mix of several Polynesian languages}
- Dwarven {Dwarf, Old Norse}
- Liuric {Halfling, Middle English}
- Mer {Merfolk, Bermudan Spanish}
- Centaur {Centaur, Greek}
- Orcish {Greenskin, Mongolian}
- Gnoll {Gnoll, Swahili}
- Harpy {Harpy, no real world equivalent}
- Katan {Jorou-Gumo, Okinawan Japanese}
- Abyssal {Daemon, Sumerian}
- Djinn {Djinn, Classical Arabic}
- Deep Tongue {Changeling, German}
- Divine {God, Latin}
- Primordial {Elder Being, no real world equivalent}