Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
notko
←
Estonian
nõtk
(cognate)
←
Proto-Finnic
*nocko
(inherited)
→
Finnish
notkelma
(suffix)
→
Finnish
notkoselkä
(affix)