Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ingrian
puin
←
Finnish
puinen
(cognate)
←
Ingrian
puu
(suffix)
←
Ingrian
-in
(suffix)
←
Karelian
puini
(cognate)