Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
ross
←
Proto-Germanic
*hursaz
(inherited)
←
Proto-Indo-European
*kers-
(derived)
←
Old Norse
hross
(inherited)