Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Keller
←
Middle High German
keller
(inherited)
←
Old High German
kellari
(inherited)
→
Luxembourgish
Wäikeller
(compound)