Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Livvi
pitky
←
Finnish
pitkä
(cognate)
←
Proto-Finnic
*pitkä
(inherited)
←
Karelian
pitkä
(cognate)