1.Khmer is the most common language in Cambodia.
2. Belarusian language is spoken in European country Belarus.
3. Koro, a Tibeto-Burban language is spoken by the Koro-Aka tribe of northeast India.
4. Dzongkha is the official language of Bhutan.
5. Xhosa is a native language of South Africa.
6. Kawishana is a language spoken by a small number of population in Brazil.
7. Rotokas is spoken in Bougainville island of Papua New Guinea.
8. Liki is a language spoken in Indonesia's Papua.
9. Chamicuro is an ancient language spoken in Peru.
10. Taushiro is another traditional language of Peru.