Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
kraachen
←
German
krachen
(cognate)
←
English
crack
(cognate)
←
Proto-Germanic
*krakōną
(inherited)
←
Old High German
krahhōn
(inherited)
←
Dutch
kraken
(cognate)