Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Bäcker
←
Proto-Germanic
*bakārijaz
(inherited)
←
Middle High German
becker
(inherited)
←
Old High German
beckeri
(inherited)
←
Luxembourgish
backen
(affix)
←
Luxembourgish
-er
(affix)