Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Jongfra
←
German
Jungfrau
(derived)
←
Luxembourgish
jong
(compound)
←
Luxembourgish
Fra
(compound)
←
Luxembourgish
Joffer
(mention)
→
Luxembourgish
Joffer
(cognate)