Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Fläch
←
German
Fläche
(derived)
←
Middle High German
vleche
(derived)
←
Luxembourgish
(mention)
←
Luxembourgish
flaach
(mention)
←
Luxembourgish
-t
(mention)