Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Schläifsteen
←
German
Schleifstein
(cognate)
←
Middle High German
slīfstein
(inherited)
←
Old High German
slifstein
(inherited)
←
Dutch
slijpsteen
(cognate)