Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
gebrauchen
←
Old High German
gibrūhhan
(inherited)
←
Luxembourgish
ge-
(affix)
←
Luxembourgish
brauchen
(affix)