Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
dréif
←
German
trüb
(cognate)
←
Old High German
(inherited)
←
Old High German
truobi
(mention)
←
Dutch
droef
(cognate)
→
Luxembourgish
déif
(mention)