Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
arv
←
Proto-Germanic
*arbiją
(inherited)
←
Proto-Indo-European
*h₃erbʰ-
(derived)
←
Old Norse
arfr
(inherited)
→
English
erf
(cognate)