Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ingrian
syvennös
←
Finnish
syvennys
(cognate)
←
Ingrian
syventää
(suffix)
←
Ingrian
-os
(suffix)