Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
friddlech
←
German
friedlich
(cognate)
←
Middle High German
vridelich
(inherited)
←
Luxembourgish
Fridden
(suffix)
←
Luxembourgish
lech
(suffix)
→
German
friedlich
(cognate)