Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
õhtu
←
Proto-Finnic
*ektago
(inherited)
→
Estonian
õhtukleit
(compound)
→
Finnish
ehtoo
(cognate)