Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Gäissel
←
German
Geißel
(derived)
←
Middle High German
geisel
(derived)
←
Old High German
geisila
(derived)
→
Luxembourgish
gäisselen
(mention)