Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ingrian
-ka
←
Finnish
-kä
(cognate)
←
Finnish
-ko
(cognate)
←
Proto-Finnic
*-ka
(inherited)
←
Proto-Finnic
*-ko
(inherited)
→
Ingrian
sikäläin
(affix)
→
Ingrian
täkäläin
(affix)