Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
kümnes
←
Proto-Finnic
*kümmenec
(inherited)
→
Estonian
kümnis
(suffix)
→
Ingrian
kymmenäs
(cognate)