Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
houfreg
←
German
hoffärtig
(cognate)
←
Middle High German
(inherited)
←
Middle High German
hōchvertec
(mention)
←
Middle High German
hōchvart
(mention)