Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Swazi
bi
←
Proto-Bantu
*-bɪ́ɪ̀
(inherited)
→
Swazi
tibi
(affix)
→
Swazi
bubi
(affix)