Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
munchmol
←
German
manchmal
(cognate)
←
Luxembourgish
munch
(affix)
←
Luxembourgish
-mol
(affix)