Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
gebräichlech
←
German
gebräuchlich
(derived)
←
Luxembourgish
Gebrauch
(suffix)
←
Luxembourgish
-lech
(suffix)
→
Luxembourgish
ongebräichlech
(prefix)