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