Sumtu (Sumtu Chin) is a Kuki-Chin language spoken in Ann, Minbya, and Myebon townships in Rakhine State, Burma. It is partially intelligible with Laitu Chin, with which it shares 91 to 96% lexical similarity. Sumtu has 96%âÂÂ97% lexical similarity with the Dalet Stream variety of Laitu Chin, and 84%âÂÂ87% with Chinbon Chin.