Niger-Kordofanian and Tongue

Niger-Kordofanian noun - 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).

Tongue and Niger-Kordofanian are semantically related. In some cases you can use "Tongue" instead a noun phrase "Niger-Kordofanian".

Tongue noun - The stock of words, pronunciation, and grammar used by a people as their basic means of communication.

Niger-Kordofanian and tongue are semantically related. Sometimes you can replace phrase "Niger-Kordofanian" with "Tongue", this terms are similar.