Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
botzen
←
German
putzen
(cognate)
←
Middle High German
butzen
(inherited)
←
Dutch
poetsen
(cognate)
←
Swedish
putsa
(cognate)