What are names for grandpa and grandma in any African language?

In many African languages, there are unique names for grandparents. For example, in Swahili, "babu" is used for grandfather, while "bibi" refers to grandmother. In Zulu, "gogo" is the term for grandmother, and "gogo" can also refer to grandfather in certain contexts. Similarly, in Hausa, "kaka" is used for grandmother, and "baba" refers to grandfather.