Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
biichten
←
German
Bucht
(cognate)
←
English
bight
(cognate)
←
Proto-Germanic
*buhtiz
(derived)
←
Proto-Germanic
(mention)
←
Luxembourgish
Buucht
(mention)
←
Luxembourgish
(mention)
←
Dutch
bocht
(cognate)