Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Italic
*kaikos
→
Catalan
cec
(inherited)
→
Spanish
ciego
(inherited)
→
Italian
cieco
(inherited)
→
Latin
caecus
(inherited)
→
Portuguese
cego
(inherited)
→
Romanian
ceață
(derived)