Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Fiischt
←
German
First
(cognate)
←
Proto-Germanic
*firstiz
(inherited)
←
Old High German
first
(inherited)
←
Dutch
vorst
(cognate)
→
Luxembourgish
Piisch
(mention)