Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Dueder
←
German
Dotter
(cognate)
←
Middle High German
toter
(inherited)
←
Old High German
totoro
(inherited)
←
Dutch
dooier
(cognate)