Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
aasta
←
Estonian
ajast
(compound)
←
Estonian
aeg
(compound)
←
Finnish
ajastaika
(cognate)
←
Proto-Finnic
*aigasta-aika
(inherited)
←
Votic
aigass-aika
(cognate)
→
Estonian
aastaaeg
(compound)
→
Estonian
aastasada
(compound)
→
Estonian
aastatuhat
(compound)
→
Finnish
ajastaika
(cognate)