Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*h₂érkʷo-
→
English
arrow
(derived)
→
Old English
earh
(inherited)
→
Faroese
ørv
(inherited)
→
Faroese
ørvur
(inherited)
→
Old Norse
ǫr
(derived)