Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Afar
af
←
Amharic
አፍ
(cognate)
←
Arabic
فَم
(cognate)
←
Proto-Cushitic
*ʔaf
(inherited)
←
Somali
af
(cognate)
←
Saho
af
(cognate)
→
Somali
af
(cognate)