Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Schwiefel
←
German
Schwefel
(cognate)
←
Proto-Germanic
*sweblaz
(inherited)
←
Old High German
sweval
(inherited)
←
Dutch
zwavel
(cognate)