Mon language
The Senois speak various sub-branches within the Aslian languages of the Austroasiatic languages. They are related to the Mon-Khmer languages spoken in Myanmar, Thailand, Laos, Cambodia, Vietnam and the Nicobar Islands, which is part of India. The Aslian languages are part of the southern Mon-Khmer languages, along with the Mon language and possibly the Nicobarese languages. The closest to them is the Mon language.