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