Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tigrinya
ሓደ
←
Amharic
አንድ
(cognate)
←
Ge'ez
አሐዱ
(cognate)
←
Proto-Semitic
*ʾaḥad-
(inherited)
→
Ge'ez
አሐዱ
(cognate)