Karai-Karai
Karai-Karai (Francophonic spelling: Karekare, Kerrikerri, Ajami: كاراي-كاراي) bụ asụsụ a na-asụ na West Africa, nke kachasị pụta ìhè na mpaghara North East Naịjirịa .

 Atụmatụ na ọnụ ọgụgụ ndị na-asụ Karai-Karai dị n'agbata nde 1,500,000 na 1,800,000, nke ndị agbụrụ Karai-Krai na-asụ. Ọ bụ asụsụ Afro-Asiatic nke a na-asụkarị na Naịjirịa na obodo ndị dị na Bauchi State, Yobe State, Gombe State na akụkụ ndị ọzọ nke Naịjirị. Ọtụtụ okwu Karai-Karai nwere otu mmalite na asụsụ Northwest Semitic nke Hibru na Arabic. Asụsụ Karai-Karai nwere njikọ chiri anya na asụsụ Ngamo na Bole (nke a na-asụ n'ebe ugwu ọwụwa anyanwụ Naịjirịa) nke a na-ewere dị ka ndị sitere na asụsụ Karai-Karaï.

Nchịkọta 
A na-ekewa Karai-Karai n'etiti asụsụ Bole-Tangale, tinyere Bure, Deno, Gero, Geruma, Galambu, Giiwo, Kubi, Maaka, Kiwe, Daza, Pali, Ngamo, Bole na Tangale dịpụrụ adịpụ mejupụtara otu asụsụ BoleTangale n'ime alaka West Chadic nke ezinụlọ Chadic. Na Naịjirịa nke oge a, a na-eme atụmatụ na e nwere ihe karịrị nde mmadụ abụọ na-asụ asụsụ mbụ na nke abụọ nke Karai-Karai n'ime Naịjirị, ọ bụ asụsụ nke abụọ a na-asụ n'ọtụtụ ebe na North eastearn Naịjirịa

Asụsụ Bole-Tangale 
N'okpuru ebe a bụ ndepụta zuru oke nke aha asụsụ Bole Tangale, ndị mmadụ, na ebe sitere na Blench (2019). Ọ bụ obere ìgwè nke asụsụ Karai-Karai bụ 

Standard Karai-Karai malitere na 1950s, mgbe Northern Region Literary Agency (NORLA) rụrụ ọrụ n'akwụkwọ Ndar Ma Karatu nke bụ mbipụta mbụ na Karai-Karaay nke Gaskiya Corporation bipụtara.