Spelling variants and varieties include the following (Sidwell 2005:11).
Kui
Kuy
Kuay
Koay
Souei. The term "Souei" is also applied to other groups, such as a Pearic community in Cambodia.
Yeu
Nanhang
Kouy. A textbook in French is published for this variant (Parlons Kouy).
Dialects
Van der haak & Woykos (1987-1988) identified two major Kui varieties in Surin and Sisaket provinces of eastern Thailand, Kuuy and Kuay. Van der haak & Woykos also identified the following divergent Kui varieties in Sisaket Province, Thailand.[2]
A variety of Kui/Kuy called Nyeu (ɲə) is spoken in the villages of Ban Phon Kho, Ban Khamin, Ban Nonkat, Ban Phon Palat, and Ban Prasat Nyeu in Sisaket Province, Thailand.[3] The Nyeu of Ban Phon Kho claim that their ancestors had migrated from Muang Khong, Amphoe Rasisalai, Sisaket Province.
In Buriram Province, Kuy is spoken in the 4 districts of Nong Ki, Prakhon Chai, Lam Plai Mat, and Nong Hong (Sa-ing Sangmeen 1992:14).[4] Within Nong Ki District, Kuy villages are located in the southern part of Yoei Prasat (เย้ยปราสาท) Subdistrict and in the western part of Mueang Phai (เมืองไผ่) Subdistrict (Sa-ing Sangmeen 1992:16).
Phonology
The following is the phonology of the Kui (Surin) language:[5]
The following list of Kuy village locations in Sisaket Province is from Van der haak & Woykos (1987-1988:129). Asterisks (placed before village names) denote ethnically mixed villages, in which ethnic Kuy reside with ethnic Lao or Khmer.
^Yantreesingh, Pailin (1980). The phonology of the Kuay language of Suphanburi with comparison to the Kuy language of Surin. Nakhon Pathom: University.
References
Mann, N., & Markowski, L. (2004). A rapid appraisal survey of Kuy dialects spoken in Cambodia. Chiang Mai: Dept. of Linguistics, Graduate School, Payap University.