Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
géi
←
German
jäh
(cognate)
←
Proto-Germanic
*ganhuz
(derived)
←
Old High German
gāhi
(derived)
←
Luxembourgish
goen
(mention)
←
Dutch
gauw
(cognate)