The Chaatai language is the main language spoken in the Chaatai Republic of Tagra. Native speakers are between 20 and 25 millions.
| chai | Ice. |
| chaagri | Aurora Australis, or Southern Lights. |
| chaukra | A cabbage-like ground crop. |
| dji | Egg; metaforically, the world. |
| kachai | Tree ferns. |
| kachyu | Podocarp trees. |
| kadja | An island; any landmass other than Tagra's mainland. |
| kru | The sea, particularly the ocean surrounding Tagra. |
| ki | Mountain. (See Ki'igri, the Lightning Mountains, and Ki!aakra, the Thunder Mountains.) |
| krukaa | A large Iguanodon-like ornithopod, used as burden and transport animal. |
| tagra | The known world, or the Antarctic continent. |
| yachakri | A large carnivorous theropod. |
| 'au'a | Deity, god(dess), particularly the God of Chaatai religion. |
| 'ikra | A person, one of the inhabitants of Tagra. (Default feminine: masculine 'ikrika.) |
| 'ukru | Fire. |