Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Meefësch
←
German
Maifisch
(cognate)
←
Luxembourgish
Mee
(compound)
←
Luxembourgish
Fësch
(compound)