Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Swazi
bulala
←
Proto-Bantu
*-bʊ́daga
(inherited)
←
Proto-Bantu
*-bʊ́da
(inherited)
→
Swazi
umbulali
(affix)
→
Swazi
kubulala
(affix)
→
Swazi
kutibulala
(affix)