Cua dialects include Kol (Kor, Cor, Co, Col, Dot, Yot) and Traw (Tràu, Dong).

Maier & Burton (1981) is currently the most extensive Cua dictionary to date.

Cua has also had extensive contact with North Bahnaric languages.

However, Sidwell (2002) had previously classified Cua as a Central Bahnaric language.

The phonology of Cua, as cited by Sidwell (based on Maier 1969):[2]