Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Swazi
-eka
←
Proto-Bantu
*-ɪka
(inherited)
→
Swazi
tsandzeka
(affix)
→
Swazi
lahleka
(affix)
→
Swazi
eluleka
(affix)