Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
airo
←
Estonian
aer
(cognate)
←
Proto-Finnic
*airo
(inherited)
←
Proto-Germanic
*airō
(derived)
←
Swedish
åra
(cognate)
→
Estonian
aer
(cognate)
→
Finnish
airokala
(compound)
→
Finnish
airopari
(compound)
→
Finnish
aironveto
(compound)
→
Finnish
aironlapa
(compound)
→
Finnish
aironhanka
(affix)
→
Ingrian
airo
(cognate)
→
Swedish
åra
(cognate)