Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
kaev
←
Finnish
kaivo
(cognate)
←
Proto-Finnic
*kaivo
(inherited)
→
Estonian
kaevik
(suffix)
→
Finnish
kaivo
(cognate)