Common characteristics between Western Kho-Bwa and Puroik are given by Lieberherr & Bodt (2017).
Prefixes Kho-Bwa languages share the following prefixes: •
*a- in front of adjectives •
*kV- prefix before multiple parts of the head, such as the head itself, eyes, ears, and hair • Some element in front of the names of a specific subset of objects in the sky, namely the
moon,
sun,
stars,
clouds,
rain and
snow. The prefixes themselves however, although they resemble each other, are not identical; Puroik prefixes
*ham- while Western Kho-Bwa prefixes
*nam-.
Sound changes Kho-Bwa languages share the following sound changes: • The
fortition of Sino-Tibetan initial
*m- to
*b-. • Outright loss of initial
*s-.
Examples In the below tables, the other Sino-Tibetan cognates are taken from Lieberherr & Bodt (2017), but the proto-Western Kho-Bwa forms are taken from Bodt (2024) and the Proto-Puroik forms are from Lieberherr (2015). ==Vocabulary==