Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
-nik
←
Ingrian
-nikka
(cognate)
←
Latvian
-nieks
(cognate)
←
Russian
-ник
(cognate)
→
Estonian
kodanik
(affix)
→
Estonian
kirjanik
(affix)
→
Estonian
omanik
(affix)
→
Estonian
osanik
(affix)
→
Estonian
lipnik
(suffix)
→
Ingrian
-nikka
(cognate)