Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ingrian
toissarki
←
Estonian
teisipäev
(cognate)
←
Ingrian
tois-
(prefix)
←
Ingrian
sarki
(prefix)