Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
ajama
←
Proto-Finnic
*ajadak
(inherited)
→
Estonian
ajaja
(affix)
→
Estonian
taga ajama
(compound)
→
Finnish
ajaa
(cognate)