Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Blatlaus
←
German
Blattlaus
(derived)
←
Luxembourgish
Blat
(compound)
←
Luxembourgish
Laus
(compound)