Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Bauch
←
English
bouk
(mention)
←
Proto-Germanic
*būkaz
(inherited)
←
Middle High German
būch
(inherited)
←
Old High German
būh
(inherited)