Chechen language
Chechen ( , ) is a Northeast Caucasian language spoken by more than 1.4 million people, mostly in the Chechen Republic and by members of the Chechen diaspora throughout Russia, Jordan, Central Asia (mainly Kazakhstan and Kyrgyzstan), and Georgia.
Kerek language
In 1997 there were still two speakers remaining, but by 2005 the language was considered extinct. According to the 2010 census, there were 10 people claiming Kerek as their native language, a number which may include partial speakers and non-speakers who claim the language as part of their ethnic heritage. Over the 20th century many members of the Kerek ethnic group shifted to Chukchi, the language of the majority ethnic group in the area, but now most Chukchis and Kereks speak Russian.