Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
umaachen
←
German
anmachen
(cognate)
←
Luxembourgish
un-
(affix)
←
Luxembourgish
maachen
(affix)