Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Aascht
←
German
Ast
(cognate)
←
Proto-Germanic
*astaz
(derived)
←
Old High German
ast
(derived)
→
Sathmar Swabian
Nascht
(cognate)
→
Luxembourgish
Rascht
(mention)