Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
pikk
←
Proto-Finnic
*pitkä
(inherited)
→
Estonian
pikkus
(affix)
→
Estonian
pikne
(suffix)
→
Ingrian
pitkä
(cognate)
→
Karelian
pitkä
(cognate)