Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ingrian
-toin
←
Estonian
-tu
(cognate)
←
Finnish
-ton
(cognate)
←
Proto-Finnic
*-t'oin
(inherited)
→
Ingrian
onnetoin
(suffix)