Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Hoer
←
Old High German
hār
(derived)
→
Luxembourgish
Aperhoer
(compound)
→
Luxembourgish
Hoerbiischt
(compound)