Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
éier
←
German
eher
(cognate)
←
English
ere
(cognate)
←
Proto-Germanic
*airiz
(derived)
←
Old High German
ēr
(derived)
←
Luxembourgish
éieren
(mention)