Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ingrian
neljäs
←
Estonian
neljas
(cognate)
←
Finnish
neljäs
(cognate)
←
Proto-Finnic
*neljänci
(inherited)