Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Sigel
←
German
Siegel
(cognate)
←
English
sigil
(cognate)
←
Middle High German
sigel
(derived)
←
Latin
sigillum
(derived)
←
Dutch
zegel
(cognate)