NGON NGU so9 2022 Dor cHrEU HE THoNG nuq Au ooN o v1 rni oAu rrlooN TRoNG upNc srrnNc vA rrn NG KHMER rrnr NGUYEN THI HUEI TEfifi =t'ili' Abstract: Sti€ng and Khmer are languages of two ethnic goups out of 54 ethnic minorities in Vietnam They both belong to the Mon-Khmer branch of the Austroasiatic language family, and therefore share common features In Binh Phu6c province where a lot of Stidng people are living, the Stidng language is widely used in families Besides, the location is close to the border with Cambodia, so Khmer is also quite popular In this research, the author focuses on comparing and contrasting the initial consonants in monosyllable words ofSti€ng and Khmer The basic difference between the initial consonauts in Stieng and Khmer is that the numb€r of initial consonants in Stieng is much more than in Khmer; and there is absolutely no pre-vocalized stop in Khmer su ch as l1b1 , lldJ , l?j-l This aims at forming a repository of research materials on ethnic languages and providing a useful reference for teachers and learners of Sti€ng or Khmer as well Kel,words: Sriang, Khmer, iniliol consonant, monosyllable l Dft v6n ttd Ng6n ngft ld phuong tiQn giao tiiip gita nguoi vfi nguoi, giiia cdc qu6c gia Sti6ng vit Khmer ld ng6n ngt cta cQng tl6ng nguoi Sti6ng vd nguoi Khmer ctng