Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Floumaart
←
German
Flohmarkt
(derived)
←
French
marché aux puces
(derived)
←
Luxembourgish
Flou
(compound)
←
Luxembourgish
Maart
(compound)