Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
ufänken
←
German
anfangen
(cognate)
←
Middle High German
anvahen
(inherited)
←
Luxembourgish
un-
(affix)
←
Luxembourgish
fänken
(affix)