Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
καῦκος
←
Proto-Celtic
*kaɸukos
(derived)
←
Proto-Indo-European
*kap-
(derived)
←
Old Irish
cuach
(cognate)
→
Latin
caucus
(borrowed)