Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
biergof
←
German
bergab
(cognate)
←
Luxembourgish
Bierg
(compound)
←
Luxembourgish
of
(compound)
→
German
bergab
(cognate)
→
Luxembourgish
Bierg
(link)