Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Livvi
poigu
←
Proto-Finnic
*poika
(inherited)
←
Proto-Uralic
*pojka
(derived)
→
Finnish
poika
(cognate)