Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Gaalgen
←
German
Galgen
(cognate)
←
English
gallow
(cognate)
←
Proto-Germanic
*galgô
(inherited)
←
Old High German
galgo
(inherited)
←
Dutch
galg
(cognate)