Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Grupp
←
German
Gruppe
(derived)
←
French
groupe
(derived)
→
Luxembourgish
Aarbechtsgrupp
(compound)