Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
rõõm
←
Finnish
riemu
(cognate)
←
Proto-Finnic
*reemu
(inherited)
←
Livonian
rȭm
(cognate)
→
Estonian
kahjurõõm
(compound)
→
Finnish
riemu
(cognate)