Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Somali
aabo
←
Proto-Afroasiatic
*ʔab-
(inherited)
←
Proto-Semitic
*ʾab-
(cognate)
→
Afar
abba
(cognate)