Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Gefäll
←
German
Gefälle
(derived)
←
Old High German
gifelli
(derived)
←
Luxembourgish
falen
(mention)