Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
blennen
←
German
blenden
(cognate)
←
English
blind
(cognate)
←
Old High German
blenten
(inherited)
←
Dutch
blenden
(cognate)