Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
geusiae
←
Gaulish
*geusi
(borrowed)
←
Welsh
gewai
(cognate)
←
Proto-Indo-European
*ǵʰew-
(derived)