Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*h₂ḱū
→
Spanish
cuño
(inherited)
→
French
coin
(inherited)
→
Italian
conio
(inherited)
→
Latin
cuneus
(inherited)
→
Portuguese
cunha
(inherited)
→
Romanian
cui
(inherited)