Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
bléien
←
German
blühen
(cognate)
←
Proto-Germanic
*blōaną
(inherited)
←
Old High German
bluoen
(inherited)
←
Proto-Indo-European
*bʰleh₃-
(root)
←
Dutch
bloeien
(cognate)
→
German
blühen
(cognate)
→
Luxembourgish
Bléi
(mention)