Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Gewunnecht
←
German
Gewohnheit
(cognate)
←
Middle High German
gewonheit
(inherited)
←
Luxembourgish
Aarbecht
(mention)