Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Schampes
←
German
Schampus
(cognate)
←
French
champagne
(derived)
←
Luxembourgish
(suffix)
←
Luxembourgish
-es
(suffix)