Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
oskama
←
Estonian
osa
(suffix)
←
Estonian
ma
(suffix)
←
Finnish
osata
(cognate)
←
Proto-Finnic
*osait'ak
(inherited)
←
Votic
õzata
(cognate)
→
Finnish
osata
(cognate)
→
Ingrian
ozata
(cognate)