Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Chrëscht
→
Luxembourgish
Chrëschtentum
(mention)
→
Luxembourgish
chrëschtlech
(suffix)
→
Luxembourgish
Chrëschtbeemchen
(compound)