Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Oromo
gaala
←
Afar
gáala
(cognate)
←
Somali
gèel
(cognate)
→
Afar
gaala
(cognate)
→
Sidamo
gaala
(cognate)