Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle High German
vach
→
German
Fach
(inherited)
→
German
-fach
(inherited)
→
Luxembourgish
Fach
(derived)
→
Polish
fach
(derived)