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