Nsongo language
Encyclopedia
Songo is a Bantu language of Angola. It is similar to North Mbundu, and is often considered a dialect of that language. However, this may be a regional influence; it's been proposed that Nsongo is closest to the Teke languages
and their relatives (Nurse 2003).
Teke languages
The Teke languages are a series of Bantu languages spoken by the Teke people in the western Congo and in Gabon. They are coded Zone B.70 in Guthrie's classification...
and their relatives (Nurse 2003).