Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Schlass
←
German
Schloss
(cognate)
←
Proto-Germanic
*slutą
(inherited)
←
Old High German
sloz
(inherited)
←
Dutch
slot
(cognate)