Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
lõug
←
Proto-Finnic
*leuka
(inherited)
→
Estonian
alalõug
(affix)
→
Ingrian
leuka
(cognate)