Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Buch
←
Proto-Germanic
*bōguz
(inherited)
←
Middle High German
buoch
(inherited)
←
Middle High German
buoc
(inherited)
←
Old High German
buoh
(inherited)
←
Old High German
buog
(inherited)
←
Luxembourgish
Bicherbuttek
(link)
←
Luxembourgish
Bicherschaf
(link)
←
Luxembourgish
Bicherwuerm
(link)
←
Luxembourgish
Bou
(link)
→
Luxembourgish
Bicherwuerm
(compound)
→
Luxembourgish
Wierderbuch
(compound)
→
Luxembourgish
Bicherbuttek
(compound)