Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
õpetaja
←
Estonian
õpetama
(suffix)
←
Estonian
ja
(suffix)
←
Finnish
opettaja
(cognate)
→
Estonian
kooliõpetaja
(affix)
→
Finnish
opettaja
(cognate)