Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
kumb
←
Proto-Finnic
*kumpa
(inherited)
→
Finnish
kuka
(cognate)
→
Ingrian
kuka
(cognate)
→
Ingrian
kumpa
(cognate)