Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Gaulish
dunum
→
English
dune
(derived)
→
Afrikaans
duin
(derived)
→
Italian
duna
(derived)
→
Dutch
duin
(derived)