Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
cavorco
←
Spanish
cahuerco
(cognate)
←
Proto-Indo-European
*ḱewh₁-
(derived)
←
Latin
cavus
(derived)