Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
verdeedegen
←
German
verteidigen
(cognate)
←
Middle High German
verteidingen
(inherited)
←
Dutch
verdedigen
(cognate)
→
Luxembourgish
Verdeedeger
(affix)