Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
katzen
←
German
kotzen
(derived)
←
German
koppen
(mention)
←
German
kotzen
(cognate)
←
Dutch
kotsen
(cognate)