Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Zulu
eluka
←
Proto-Bantu
*-gàdʊka
(inherited)
←
Proto-Bantu
*-gàda
(inherited)
→
Xhosa
aluka
(cognate)
→
Zulu
elusa
(mention)