Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Swahili ma-
Proto-Bantu *mà- (inherited)

English matatu (mention)
Swahili mawasiliano (affix)
Swahili mageuzi (affix)
Swahili matibabu (affix)
Swahili mazoea (affix)