Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Gierwer
←
German
Gerber
(cognate)
←
Middle High German
gerwer
(inherited)
→
Luxembourgish
Gierwerei
(affix)