Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Jomer
←
German
Jammer
(cognate)
←
Middle High German
jāmer
(inherited)
←
Old High German
jāmar
(inherited)