Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Swazi
bonga
←
Proto-Nguni
*-bonga
(inherited)
→
Swazi
bongela
(affix)
→
Swazi
sibongo
(affix)