Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Gehier
←
German
Gehirn
(derived)
←
Luxembourgish
ge-
(affix)
←
Luxembourgish
Hier
(affix)