Term: kordofanian: a group of languages spoken in the relatively small Kordofan area of the south Sudan
Broader: niger-kordofanian: the family of languages that includes most of the languages spoken in Africa south of the Sahara; the majority of them are tonal languages but there are important exceptions (e.g., Swahili or Fula) | Unrelated: epiphenomenon: a secondary phenomenon that is a by-product of another phenomenon