Chechens
The main language of the Chechen people is Chechen. Chechen belongs to the family of Nakh languages (Northeast Caucasian languages). Literary Chechen is based on the central lowland dialect. Other related languages include Ingush, which has speakers in the neighbouring Ingushetia, and Batsbi, which is the language of the people in the adjoining part of Georgia. At various times in their history, Chechens used Georgian, Arabic and Latin alphabets; as of 2008, the official one is now the Cyrillic script of Russia.
Pashto
Pashto (, , "Pax̌tō" ), sometimes spelled Pukhto, is the language of the Pashtuns. It is known in Persian literature as Afghāni () and in Hindustani literature as Paṭhānī. Speakers of the language are called Pashtuns/Pakhtuns/Pathans and sometimes Afghans. It is an Eastern Iranian language, belonging to the Indo-European family. Pashto is one of the two official languages of Afghanistan, and it is the second-largest regional language of Pakistan, mainly spoken in the west and northwest of the country. In Pakistan, it is the majority language of the province of Khyber Pakhtunkhwa and the northern districts of Balochistan. Along with Dari Persian, Pashto is the main language among the Pashtun diaspora around the world. The total number of Pashto-speakers is estimated to be 45–60 million people worldwide.