Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
éieren
←
German
ehren
(cognate)
←
Middle High German
ēren
(inherited)
←
Middle High German
ērēn
(inherited)
→
Luxembourgish
éier
(mention)