Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
arg
←
German
arg
(cognate)
←
Proto-Finnic
*arka
(inherited)
←
Proto-Germanic
*argaz
(derived)
→
Finnish
arka
(cognate)