Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Baart
←
Proto-Germanic
*bardaz
(inherited)
←
Middle High German
bart
(inherited)
←
Proto-West Germanic
*bard
(inherited)
←
Old High German
bart
(inherited)
←
Proto-Indo-European
*bʰardʰeh₂
(inherited)
→
German
Bart
(cognate)