Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ingrian
päätauti
←
Finnish
pääntauti
(cognate)
←
Ingrian
pää
(compound)
←
Ingrian
tauti
(compound)