Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Karelian
-ni
←
Finnish
-ni
(cognate)
←
Proto-Finnic
*-ni
(inherited)
←
Proto-Uralic
*-ni
(inherited)
→
Karelian
iččeni
(suffix)