Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*ǵerh₂-n-on-
→
Faroese
kjarni
(derived)
→
Icelandic
kjarni
(derived)
→
Dutch
kern
(derived)