Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
cumio
←
Galician
cume
(suffix)
←
Galician
io
(suffix)
←
Proto-Indo-European
*kelH-
(derived)
←
Latin
culmen
(inherited)