Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Rwanda-Rundi
iba
←
Proto-Bantu
*-jíba
(inherited)
→
Rwanda-Rundi
umwibyi
(mention)
→
Rwanda-Rundi
umwivyi
(mention)