Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
gemeng
←
German
gemein
(cognate)
←
English
mean
(cognate)
←
Proto-Germanic
*gamainaz
(inherited)
←
Old High German
gemeini
(inherited)
←
Dutch
gemeen
(cognate)
→
Luxembourgish
Gemeng
(mention)