Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
krazen
←
German
kratzen
(cognate)
←
English
cratch
(cognate)
←
Proto-Germanic
*krattōną
(inherited)
←
Old High German
krazzōn
(inherited)
→
Luxembourgish
Krazert
(mention)