Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Swahili
cheka
←
Proto-Bantu
*-cèka
(inherited)
→
Kikuyu
theka
(cognate)
→
Swahili
kicheshi
(mention)
→
Swahili
kicheko
(mention)