Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
siduma
←
Finnish
sitoa
(cognate)
←
Proto-Finnic
*sitodak
(inherited)
←
Veps
sidoda
(cognate)
→
Estonian
side
(affix)
→
Finnish
sitoa
(cognate)