Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Feind
←
Proto-Germanic
*fijandz
(inherited)
←
Old High German
fīand
(inherited)
←
Old High German
fīant
(mention)