Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
carrac
→
Basque
harri
(cognate)
→
Irish
carraig
(inherited)
→
Scottish Gaelic
carraig
(inherited)
→
Manx
carrick
(inherited)
→
Cornish
karrek
(cognate)