| || Nenneke: You're not learning the local Skellige jargon but classical Elder Speech.|
Ciri: And why am I learning the Speech, tell me?
Nenneke: So that you know it. It's fitting to learn things you don't know. Anyone who doesn't know other languages is handicapped.
|- Nenneke and Ciri during the latter's studies, Blood of Elves|
From 8th into the 14th century, the Common Speech was considered most widespread from Kovir and Poviss in the north, all the way down to Ebbing. By the 16th century though, it is considered endangered or even dead language.
- Common Speech
- Scholar language
- One Speech ("Laith aen Undod")
- Gnomish language
- Vampire language
- Vran language
- Vodyan language
- Nilfgaardian language
- Ofiri tongue
- Skellige jargon
- Dwarven runes and ideograms – used in the Dwarvish
- Elder Runes – used in the Elder Speech and the dryad dialect
- First Runes – used earlier in the Common Speech
- Modern alphabet – used later in the Common Speech (and at times other languages too)
- In Netflix's The Witcher, development of Andrzej Sapkowski's fantasy languages is handled by David J. Peterson, known for creating spoken Dothraki and High Valyrian for HBO's Game of Thrones.