Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Xhosa
thetha
←
Proto-Bantu
*-téta
(inherited)
→
Xhosa
ukuthetha
(affix)
→
Xhosa
umthetho
(affix)
→
Xhosa
intetho
(affix)