Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Fuerz
←
German
Furz
(cognate)
←
Middle High German
vurz
(inherited)
←
Old High German
furz
(inherited)