Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
[[*ḱḗr]] ~ [[*ḱr̥d-]]
→
Catalan
cor
(inherited)
→
Latin
cor
(inherited)
→
Ligurian
cheu
(inherited)