Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Fall
←
Old High German
val
(inherited)
→
Luxembourgish
Iwwerfall
(affix)
→
Luxembourgish
Sträitfall
(compound)