Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Ierger
←
German
Ärger
(derived)
←
Luxembourgish
iergeren
(mention)
→
Luxembourgish
iergerlech
(suffix)