Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
bluoen
→
German
blühen
(inherited)
→
Alemannic German
blüeje
(inherited)
→
Luxembourgish
bléien
(inherited)