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