The following is the entry for this language as it appeared in the 14th edition (2000).
It was superseded by the corresponding entry in the 15th edition (2005). See also the corresponding entry in the current edition of Ethnologue.
SIL code: KII
ISO 639-2: nai
| Population | No speakers out of 350 population (1977 SIL). |
| Region | West central Oklahoma among the Caddo, Caddo County. |
| Alternate names | KICHAI |
| Classification | Caddoan, Northern, Pawnee-Kitsai, Kitsai. |
| Comments | Closer to Pawnee than to Wichita. Extinct. |