Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
kærur
←
Faroese
hora
(cognate)
←
Proto-Indo-European
*kār-
(derived)
←
Latin
cārus
(derived)
←
Old Norse
kærr
(derived)
←
Old Norse
kę́rr
(mention)
→
Faroese
kærleiki
(mention)