Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
paija
←
Proto-Finnic
*paija
(inherited)
←
Latvian
paija
(cognate)
←
Russian
пай
(cognate)
→
Finnish
paijata
(suffix)