Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Kuuscht
←
Old High German
krusta
(inherited)
←
Hunsrik
Korst
(cognate)
←
Latin
crusta
(derived)
←
Dutch
korst
(cognate)